For an imaginary closed economy, T = $5,000; S = $11,000; C = $48,000; and the government is running a budget surplus of $1,000. Then
Based on the information given, the private savings will be $10000 and the gross domestic product is $63000.
From the information given, he following can be gotten:
T = $5,000S = $11,000C = $48,000Budget surplus = $1000Since, S = Y - C - G
11000 = Y - 48000 - G
Y - G = 48000 + 11000
Y - G = 59000
Budget surplus = T - G = 1000
5000 - G = 1000
G = 5000 - 1000 = 4000
The GDP will be:
Y - G = 59000
Y - 4000 = 59000
Y = 59000 + 4000 = 63000
Private savings = Y - T - C
Private savings = 63000 - 5000 - 48000
Private savings = 10000
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2CH3CHO+O2=> 2CH3COOH
Answer:
2CH3CHO + O2 → 2CH3COOH
8. Which property is used to determine the degree of polarity between two bonded atoms? A) density B) electronegativity C) pressure D) temperature
Answer:
I think B) electronegativity is the correct answer.
Electronegativity is the property which is used to determine the degree of polarity between two bonded atoms. Therefore, the correct option is option B.
What is polarity?Polarity is the dispersion of electrical charge over the atoms linked by a chemical bond. Bonds between identical atoms, such as H2, are electrically homogeneous in the sense that both hydrogen atoms are electrically neutral, but bonds between different atoms are electrically inequivalent.
Electronegativity is the property which is used to determine the degree of polarity between two bonded atoms. The relative electronegativities of the elements determine the polarity of a bond. Electronegativity is the ability of an element's atom to attract electrons to itself when it is part of a compound.
Therefore, the correct option is option B.
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what is the continent bellow the world?
Answer:
antarcita
Explanation:
Answer:
What is the continent bellow the world?
Antarctica is the continent below the Earth.What are the gas laws? (Include Boyle's law, charles's law, gay lussac's law, an avogadro's law) Could someone please summarize these for me ples? Brainliest answer also yes
Answer:
Boyle's Law: When the pressure of a gas increases, the volume of the gas will decrease as long as the temperature and amount of gas are constant.
So basically pressure is inversely proportional to Volume, when one increases, the other decreases, vice versa.
Equation: [tex]P_{1} V_{1} = P_{2} V_{2}[/tex]
Charles Law: When the temperature of a gas increases, the volume of a gas will also increase if the pressure and amount of gas are constant.
So basically Temperature and volume are directly proportional.
Equation: [tex]\frac{V_{1}}{T_{1}} = \frac{V_{2} }{T_{2} }[/tex]
Gay Lussac's Law: When the temperature of a gas increases, the pressure of a gas also increases when volume and the amount of gas remain constant.
Basically, Temperature and Pressure are directly proportional.
Equation: [tex]\frac{P_{1}}{T_{1}} = \frac{P_{2} }{T_{2} }[/tex]
Avogadro's Law: The most intuitive gas law. When you increase the amount of gas, the volume will also increase.
Meaning the moles (amount of gas) is directly proportional to volume.
Equation: [tex]\frac{V_{1} }{n_{1} } = \frac{V_{2} }{n_{2} }[/tex] (n stands for moles)
There is a combined gas law and ideal gas law but those are just the gas laws mentioned above but combined together. These should be everything.
Answer:
Boyle Law is when pressure and volume have a reverse relationship when temperature is the same.Charles law is basically when volume and temperature have a relationship when the pressure is the same.Lussac Law is I think just when I pressure and temperature is directly tied together when the volume stays the same.I dont think there is any "avogadro law", there is only pressure volume and temperature.
Please give brainliest thanks :D
Elements with ________ atomic mass are best possible candidates for a fusion reaction. very low moderate to heavy moderate very heavy
very low
Explanation:
Nuclear fusion is a nuclear reaction wherein small nuclei are combined to form heavier nuclei. This process constantly occurs in the sun, which is mainly composed of hydrogen and helium atoms.
What is the volume of HCl (r= 1.17 g / cm ^ 3, omega = 36 \%) required to precipitate silver in the form of AgCl from 2, 000 g of an alloy containing 22% by weight of Ag, if used 1.5 times the amount of precipitating reagent?
The volume of precipitating reagent, HCl required to precipitate silver in the form of AgCl from 2,000 g of an alloy containing 22% by weight of Ag is 0.530 L
In order to determine the volume of precipitating reagent, HCl required to precipitate silver in the form of AgCl from 2,000 g of an alloy containing 22% by weight of Ag, the following steps are followed:
Step 1.
The concentration of the HCl solution is calculated using the formula:
Molarity = percentage * specific gravity * 1000 cm³ / molar mass * 1 LPercentage purity of HCl = 36% = 0.36
specific gravity, r = 1.17 g/cm³
molar mass of HCl = 36.5 g/mol
Concentration of HCl = 0.36 * 1.17 * 1000 / 36.5 * 1
Concentration of HCl = 11.53 mol/L
Therefore, 1 L of HCl solution contains 11.53 moles of HCl
Step 2:
The equation of the dissociation of HCl solution is given below:
HCl (aq) ------> H⁺ (aq) + Cl⁻ (aq)1 mole of HCl produces 1 mole of Chloride ions, Cl⁻
Equation of reaction between Silver in the alloy and HCl is given as follows:
Ag (s) + H⁺Cl⁺ (aq) -----> AgCl (s)A white precipitate of AgCl is formed but hydrogen gas is not formed as Silver is a less reactive metal.
1 mole of HCl produces 1 mole of Cl⁻ which reacts with 1 mole of Ag to produce 1 mole of AgCl precipitate.
Step 3: Determine the mass and number of moles of silver in the alloy
Percentage of silver in the alloy = 22% = 0.22Mass of silver in 2000 g alloy = 0.22 * 2000 g
Mass of silver in 2000 g alloy = 440 g
Number of moles of silver in 440 g of silver is determined using the formula below:
number of moles = mass / molar massmolar mass of silver = 108 g/mol
number of moles of silver = 440 /108
number of moles of silver in the alloy = 4.074 moles
Step 4: Calculate the volume of HCl required
Since 1 mole of Cl⁻ ions react with 1 mole of Ag; 4.074 moles of Cl⁻ ions will be required to react with 4.074 moles of Ag.
1 L of HCl solution contains 11.53 moles of Cl⁻
Volume of HCl solution that contains 4.074 moles of Cl⁻ = 4.074 * 1L/11.53
Volume of HCl that contains 4.074 moles of Cl⁻ = 0.353 L
Since 1.5 times the amount of precipitating reagent HCl is required, volume of HCl required = 1.5 * 0.353 L
Volume of precipitating reagent HCl required = 0.530 L
Therefore, the volume of precipitating reagent, HCl required to precipitate silver in the form of AgCl from 2,000 g of an alloy containing 22% by weight of Ag is 0.530 L
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Below the time line, list the layers from oldest to youngest
Answer:
F,E,D,C, B, A, G, H, I
Explanation:
I think. It goes bottom to top. the fault probably cause g to happen and maybe h but mattering on what caused what I am not positive
Question 13(Multiple Choice Worth 5 points)
(03.05 MC)
Liquid X has a pH of 7 and Liquid Y has a pH of 8.5. Which statement is true?
Liquid X is a base and Liquid Y is an acid.
Liquid X is an acid and Liquid Y is a base.
Liquid X is neutral and Liquid Y is a base.
Liquid X is an acid and Liquid Y is neutral.
Answer:
Liquid X is neutral and Liquid Y is a base
Explanation:
Acid: pH<7
Neutral: pH=7
Base: pH>7
The frequency light of 3.52*10-7
Answer:
The speed of light, c, equals the wavelength, λ (pronounced lambda), times the frequency, ν, (pronounced noo).
c=λν
c is a constant. It is usually given as 3.00×108 m/s or 3.00×1010 cm/s rounded to three significant figures.❤
A Carnot engine takes 2000 j of heat from a reservoir at 500 k, does some work and discards some heat to a reservoir at 350k . how much work does it do, how much heat is discarded, and what is it's efficiency?
Answer:
Explanation:
The Carnot engine is a theoretical or conceptual heat engine that has a higher efficiency than any practical or theoretical heat engine working between the same temperature range. The theoretical efficiency of a Carnot engine is considered as the highest efficiency and no practical heat engines can operate at that efficiency. A Carnot engine draws heat energy, performs useful work and the leftover energy is released from the working substance. According to the second law of thermodynamics, there must be a temperature gradient between the heat energy drawing point and release point of the heat engine.
PLEASE HELP ME!! sue tomorrow:(
Answer:
If you are looking for the answer, for the question.
Earthquakes trigger tsunamis when the seismic activity causes the land along fault lines to move up or down
If you only wanted to increase the particle motion of a gas without increasing any of its other properties, which would the most correct situation?
a. Keep the gas at a constant pressure and keep the temperature constant, but increase the volume of the gas
b. Keep the gas in a fixed container at constant pressure and increase the temperature
c. Keep the gas in a fixed container at constant pressure and decrease the temperature
d. Keep the gas at a constant volume and keep the temperature constant, but decrease the pressure of the gas
Answer:
c
Explanation:
How/ why does weather "happen," on Earth?
aused by the weight of the huge numbers of air molecules that make up the atmosphere. ... When air pressure is low, air flows together and then upward where it converges, rising, cooling, and forming clouds.
Answer:
Explanation:
The weather events happening in an area are controlled by changes in air pressure. Air pressure is caused by the weight of the huge numbers of air molecules that make up the atmosphere. ... When air pressure is low, air flows together and then upward where it converges, rising, cooling, and forming clouds.
A Air at a temperature of 134°C and atmospheric pressure flows with a velocity of 7 m/s over
a smooth 5 m long and 1 m wide cast iron plate. Under steady-state conditions, the air-side
surface temperature of the plates is at 120°C. Under the described conditions, determine the
overall heat transfer rate through the plate.
B-If the flat plate in (A) is replaced with a cylinder with the same surface area (heat transfer
area) and the cylinder's length is the same as the width of the plate (1.0 m), what would be the
heat transfer rate for cross air flow over the outside surface of the cylinder?
C. If the flat plate in (A) is replaced with a sphere with the same surface area (heat transfer area),
what would be the heat transfer rate for cross air flow over the outside surface of the sphere?
D- Based on your results, discuss which surface configuration is more effective for heat
Which of the following are used to administer liquid medications orally? O a) Syringes b) Vials c) Suppositories d) Droppers e) Teaspoons
Answer:
D
Explanation:
3 useful applications of alkaline earth metals
Answer:
1 used in paint , toothpaste
2 used in fireworks and magnets
3 used to manufacture alloys
What is the pressure of a 1.0 L flask containing 0.12 g of He at 25°C? (R= 0.0821 L atm/mol K)
Answer:
The pressure of the flask is 0.73 atm.
Explanation:
To solve this question, we should use the ideal gas law: PV=nRT, where P represents the pressure (in atm in this case), V represents the volume (in L), n represents the number of moles of gas, R is the ideal gas constant, and T represents the temperature (in K).
Before we can plug our values into the equation, we must convert so that our units cancel out. First, we should convert our temperature from degrees Celsius to degrees K.
25°C + 273.15 = 298.15K
Next, we should convert the 0.12 g He to moles using the molar mass of He.
0.12 g He * (1 mole He/4.003 g He) = 0.029978 mol He
Now, we can plug in the values into the equation and solve for the pressure.
PV = nRT
P = (nRT)/V
P = (0.029978 mol He * 0.0821 L*atm/mol*K * 298.15 K)/(1.0 L)
P = 0.73 atm
Therefore, the correct answer is 0.73 atm.
Hope this helps!
Anyone mind answering this
What is the molarity of aqueous lithium bromide if 25.0 mL of LiBr reacts with 10.0 mL of 0.250 M Pb(NO 3) 2
The molarity of aqueous lithium bromide, LiBr solution is 0.2 M
We'll begin by calculating the number of mole of Pb(NO₃)₂ in the solution.
Volume = 10 mL = 10 / 1000 = 0.01 L Molarity of Pb(NO₃)₂ = 0.250 MMole of Pb(NO₃)₂ =?Mole = Molarity x Volume
Mole of Pb(NO₃)₂ = 0.25 × 0.01
Mole of Pb(NO₃)₂ = 0.0025 mole
Next, we shall determine the mole of LiBr required to react with 0.0025 mole of Pb(NO₃)₂
Pb(NO₃)₂ + 2LiBr —> PbBr₂ + 2LiNO₃
From the balanced equation above,
1 mole of Pb(NO₃)₂ reacted with 2 mole of LiBr.
Therefore,
0.0025 mole of Pb(NO₃)₂ will react with = 2 × 0.0025 = 0.005 mole of LiBr
Finally, we shall determine the molarity of the LiBr solution
Mole = 0.005 mole Volume = 25 mL = 25 / 1000 = 0.025 L Molarity of LiBr =?Molarity = mole / Volume
Molarity of LiBr = 0.005 / 0.025
Molarity of LiBr = 0.2 M
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How many moles are present in 885.46 grams of sodium bicarbonate NaHCO 3 ) ? Molar mass of sodium bicarbonate ( NaHCO 3 )=84.01 g/mol A. 6.3471 x 10^ 24 moles; 0.9877 * 10 ^ - 2 * m * o * l * e * s C. 10.540 moles D 84.007 moles
Answer:
C. 10.540 moles
Explanation:
divide grams by molar mass to get moles
Which of the following statements about subatomic particles is BEST supported by information in the article?
A. The motion of large objects is just as unpredictable as that of subatomic particles.
B. Subatomic particles don’t follow the same laws of physics as large objects.
C. The force of gravity acts more strongly on subatomic particles than on large objects.
D. It is easier to measure the movement of subatomic particles than the movement of large objects.
The characteristics of the subatomic particles allow to find which is the correct answer:
B) Subatomic particles don’t follow the same laws of physics as large objects.
Subatomic particles are the contributors to atoms, the main three being electrons, protons, and neutrons. The movement of these particles is described by the Schrodinger equation, the result of which is wave function.
To obtain the physical function of the wave mergers, the probability function must be constructed.
P = Ф* Ф
therefore the movement of the subatomic particulars is probabilistic at all times, when a large number of them join the mean value of this probability closer to the macroscopic movement.
Let's examine the claims.
A) False. The macroscopic motion of objects is the mean value of the microscopic motion, which with increasing size is deterministic and predictable.
B) True. Subatomic particles follow the rules of the Schrodinger equation and macroscopically Newton's second law. Inconsequently they use different laws or to describe
C) False the most important force is electrostatic.
D) false. Large particles can be measured with a ruler, but sublimation that are orders of magnitude smaller require instruments of great pressure and complexity.
In conclusion using the characteristics of the subatomic particle we can find what the correct answer is;
B) Subatomic particles don’t follow the same laws of physics as large objects.
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2. A compound with an empirical formula of C2H3Br2 has a molar mass of 373.69 g/mol. What is
the molecular formula?
(The molar mass of C2H3Br2 = 186.85 g/mol)
E) C4H6Br4
А) C2H3Br2
B) CHBr
C) C6H9Br6 D) C4H6Br2
(0.5 Points)
A
Empirical is the simplest whole number ratio of elements in a compound. Molecular formula is n times the empirical formula, where n is integers 1,2,... The molecular formula is C[tex]_4[/tex]H[tex]_6[/tex]Br[tex]_4[/tex]. The correct option is option E.
What is empirical formula?Empirical formula gives the proportion of the element that is present in a compound. It does not give information about the actual number or the arrangements of the atoms.
n=empirical formula mass÷ molecular formula mass
n=1,2,3....
empirical formula mass = 373.69 g/mol
molecular formula mass= 186.85 g/mol
substituting all the given values in the above formula, we get
n= 186.85 g/mol÷ 373.69 g/mol
= 2
Multiply C[tex]_2[/tex]H[tex]_3[/tex]Br[tex]_2[/tex] by 2, which comes out to be C[tex]_4[/tex]H[tex]_6[/tex]Br[tex]_4[/tex].
Therefore, the molecular formula is C[tex]_4[/tex]H[tex]_6[/tex]Br[tex]_4[/tex]. The correct option is option E.
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How many liters of 0.200 M sodium hydroxide do you need to titrate 0.300 L of a 0.100 M diprotic acid to the equivalence point?
The volume of the sodium hydroxide solution needed for the reaction is 0.3 L
We'll begin by writing the balanced equation for the reaction.
H₂X + 2NaOH → 2H₂O + Na₂X
From the balanced equation above, the following data were obtained:
The mole ratio of the acid, H₂X (nA) = 1The mole ratio of base, NaOH (nB) = 2From the question given above, the following data were obtained:
Molarity of base, NaOH (Mb) = 0.2 M. Volume of acid, H₂X (Va) = 0.3 L. Molarity of acid, H₂X (Ma) = 0.1 M. Volume of base, NaOH (Vb) =?MaVa / MbVb = nA / nB
(0.1 × 0.3) / (0.2 × Vb) = 1/2
0.03 / (0.2 × Vb) = 1/2
Cross multiply
0.03 × 2 = 0.2 × Vb
0.06 = 0.2 × Vb
Divide both side by 0.2
Vb = 0.06 / 0.2
Vb = 0.3 LTherefore, the volume of NaOH needed for the reaction is 0.3 L
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Which type of monomer combines and forms polypeptides?
A. Nucleic acid
B. Amino acid
C. Fatty acid
D. Monosaccharide
Answer the following question attached!!
Answer:
I think It is Covalent. Not 100% sure but like 90% sure.
Which of the following is an example of a scientific model?
The total inches of rainfall during a thunderstorm
A telescope used to study the stars
A computer program that simulates atmospheric conditions
A song about the Grand Canyon
An unknown solution contains several chemical substances. By following a series of steps in a procedure, each of these substances can be isolated. Which of the following methods would be most appropriate for showing the steps needed to separate the substances?
A. Draw a diagram of apparatus used.
B. Create a flowchart of the various steps.
C. Build a model of the various atomic structures.
D. Construct a graph showing the times needed for each step.
Answer:
Create a flowchart of the various steps.
Explanation:
Answer:
A.
Explanation:
have a nice day^^ good morning
Determine the volume (L) of nitrogen monoxide gas that is created at STP when 32.2 g
of solid copper reacts with excess nitric acid.
3Cu(s) + 8HNO3(aq) — 3Cu(NO3)2 (aq) + 4H2O(1) + 2NO(g)
Taking into account the reaction stoichiometry and STP conditions, the volume of nitrogen monoxide gas that is created at STP when 32.2 g of solid copper reacts with excess nitric acid is 7.5677 L.
Reaction stoichiometryThe balanced reaction is:
3 Cu(s) + 8 HNO₃(aq) → 3 Cu(NO₃)₂ (aq) + 4 H₂O(l) + 2 NO(g)
By reaction stoichiometry, the following amounts of moles of each compound participate in the reaction:
Cu: 3 molesHNO₃: 8 molesCu(NO₃)₂: 3 molesH₂O: 4 moles NO: 2 molesThe molar mass of the compounds is:
Cu: 63.54 g/moleHNO₃: 63 g/moleCu(NO₃)₂: 187.54 g/moleH₂O: 18 g/moleNO: 30 g/moleBy reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
Cu: 3 moles× 63.54 g/mole= 190.62 gramsHNO₃: 8 moles× 63 g/mole= 504 gramsCu(NO₃)₂: 3 moles ×187.54 g/mole= 562.62 gramsH₂O: 4 moles ×18 g/mole= 72 gramsNO: 2 moles ×30 g/mole= 60 gramsSTP conditionsThe STP conditions refer to the standard temperature and pressure, which values are 0 °C and 1 atmosphere and are reference values for gases. In these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
Moles of NO formedThe following rule of three can be applied: if by reaction stoichiometry 190.62 grams of Cu form 2 moles of NO, 32.2 grams of Cu form how many moles of NO?
moles of NO= (32.2 grams of Cu× 2 moles of NO)÷ 190.62 grams of Cu
moles of NO= 0.3378 moles
Then, 0.3378 moles of NO are formed.
Volume of NO createdNow, you can apply the following rule of three: if by definition of STP conditions 1 mole of NO occupies a volume of 22.4 liters, 0.3378 moles occupies how much volume?
volume= (0.3378 moles× 22.4 L)÷ 1 mole
volume= 7.5677 L
Finally, the volume of NO created is 7.5677 L.
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In one to two sentences, describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules).
Answer:
intra moleculer force is the force which you can't see