The fruit which has the greater mass is peach i.e. 150 grams.
What is mass?Mass is a quantity which is used to define that what amount of substance will occupy any space or present in the given object.
We have given,
Weight of apples = 85,000 mg
Weight of peach = 0.15 kg
To compare the quantity first we have to convert both of these units in the same unit, and we know that:
In 1 kilogram = 1000 grams
And in 1 grams = 1000 milligrams
So, we convert both the units into grams as:
85,000 mg = 85,000 / 1000 = 85 grams
0.15 kg = 150 grams
So, the mass of peach is high.
Hence, peach has the greater mass.
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Answer:
Constance has an apple that weighs 85,000 milligrams and a peach that weighs 0.15 kilograms. Which fruit has the greater mass? Choose the words and numbers to complete the statements.
Convert the masses of both fruits to the same unit.
85,000 milligrams is the same as
85
grams.
0.15 kilograms is the same as
150
grams.
The
peach
has the greater mass.tion:
What is the ph of a solution of h2so4 that has [h3o ] = 5.45 × 10–5 m? round to the nearest hundredth.
The pH of a solution of H₂SO₄ that has [H₃O⁺] is 5.45 × 10⁻⁵ M, is 4.26.
What is pH?pH is define as the negative logarithm of the concentration of H⁺ or H₃O⁺ ions, and it is represented as:
pH = -log[H⁺]
Concentration of H₃O⁺ in H₂SO₄ solution = 5.45 × 10⁻⁵ M
pH of H₂SO₄ solution will be calculated as:
pH = -log(5.45 × 10⁻⁵)
pH = -(-4.26)
pH = 4.26
Hence required pH is 4.26.
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Answer:
4.26 is the answer
Explanation:
edge 2022
How to know if a single replacement reaction will occur
Answer:
To determine whether a given single replacement will occur, you must use an “Activity Series” table. If the metal or the halogen is above the element it will replace based on the activity series, a single displacement reaction will occur. The video below summarizes an experiment conducted to compare the activities of three metals ( Mg, Cu and Zn ).
Explanation:
Single replacement reaction will occur if any more active specie will add on the solution.
What is single displacement reaction?Single displacement reactions are those reactions in which one element from the given molecule is displaced by some other element.
Generally displacement reactions are shown by metals when more reactive metal is added in the solution of any another metal. Then more reactive metal displaces the metal which is already present in the solution and reaction is taking place is shown by changing in color.
Hence single displacement reaction will occur when more reactive metal is added in any solution.
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Use Figure 2 to describe which type of microscope the scientists should use to study the features of the hairlike organelles. Explain one possible function for these organelles based on where the organelles are located in the cell model in Figure 1
The Figure is not found here but the tiny hairlike organelles are also referred to as cilia.
What are cilia?Cilia are a special type of hairlike organelles capable of covering the surface of cells in many different organisms.
Cilia are found in different eukaryotic organisms ranging from unicellular protists to mammals (epithelial tissues).
The function of cilia is to produce motion (movement) of the cell in which these structures are found.
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What happens in radioactive decay?
Answer:
When it decays, a radionuclide transforms into a different atom - a decay product. The atoms keep transforming to new decay products until they reach a stable state and are no longer radioactive. The majority of radionuclides only decay once before becoming stable.
I NEED THE AWNSER RIGHT NOWWWWW Four students categorized several environmental changes as short-term or long-term changes. Which chart correctly categorizes short- and long-term changes?
Based on the duration and effect of the environmental change, the correct categorization is as follows:
Short-term changes - Fire, flood, pollution of waterways, disease Long-term changes- extinction, early frost, deforestation, desertificationWhat are environmental changes?Environmental changes refers to changes that occur in the environment either due to natural causes or by human activities.
Environmental changes can be categorized into:
short-term changes andlong-term changesShort-term changes occur over a short period of time while long-term changes occur over a long period of time.
Based on the chart, the correct categorization is as follows:
Short-term changes - Fire, flood, pollution of waterways, disease Long-term changes- extinction, early frost, deforestation, desertificationTherefore, both long-term and short-term changes occur in the environment.
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Which element cannot be the central atom of a lewis structure?.
Answer:
Hydrogen
Explanation:
Hydrogen can never be central atom despite its low electronegativity
You are a NASA engineer. You are the chief engineer for the Apollo 13 mission to the moon. The astronauts are running out of oxygen and need to get rid of the excess carbon dioxide. You know that sodium hydroxide (NaOH) has been suggested as a means of removing carbon dioxide from the spacecraft cabin. The filter which they had been using is fully saturated and no longer works. You remember that the astronauts have a 5000. g container of sodium hydroxide on the ship. You also know that sodium hydroxide can be used to remove carbon dioxide.
Use the following reaction: NaOH + CO2 → Na2CO3 + H2O
The astronauts have 2 days left before they land on Earth. You know that there are three astronauts, and each astronaut emits roughly 500. g Of carbon dioxide each day. Is there enough sodium hydroxide in the cabin to cleanse the cabin air of the carbon dioxide, or are the astronauts doomed?
Given the data from the question, the astronauts do not have enough sodium hydroxide in the cabin to cleanse the cabin air of the carbon dioxide.
How to determine the total CO₂CO₂ emitted per astronaut per day = 500 gCO₂ for 3 astronaut per day = 3 × 500 = 1500 gCO₂ for 3 astronaut for 2 days = 2 × 1500 = 3000 gBalanced equation
2NaOH + CO₂ —>Na₂CO₃ + H₂O
Molar mass of NaOH = 40 g/mol
Mass of NaOH from the balanced equation = 2 × 40 = 80 g
Molar mass of CO₂ = 44 g/mol
Mass of CO₂ from the balanced equation = 1 × 44 = 44 g
SUMMARY
From the balanced equation above,
44 g of CO₂ required 80 g of NaOH
How to determine the mass of NaOH neededFrom the balanced equation above,
44 g of CO₂ required 80 g of NaOH
Therefore,
3000 g of CO₂ will require = (3000 × 80) / 44 = 5454.55 g of NaOH
From the calculation made above, we can see that 5454.55 g of NaOH is needed by the astronaut to clean the cabin air but unfortunately, they only have 5000 g of NaOH.
Thus, we can conclude that the astronauts do not have enough NaOH to clean the air
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The ph of a solution is 2. 0. Which statement is correct? useful formulas include startbracket upper h subscript 3 upper o superscript plus endbracket equals 10 superscript negative p h. , startbracket upper o upper h superscript minus endbracket equals 10 superscript negative p o h. , p h plus p o h equals 14. , and startbracket upper h subscript 3 upper o superscript plus endbracket startbracket upper o upper h superscript minus endbracket equals 10 to the negative 14 power. The poh of the solution is 12. 0. The concentration of oh– ions is 1. 0 mc021-5. Jpg 10–2 m. The concentration of upper h subscript 3 upper o superscript plus. Ions is 100. 0 m. The poh of the solution is 16. 0.
If the pH of the solution is 2.00. it follows that the pOH of the solution is 12.
What is pH?The term pH refers to the hydrogen ion concentration of the solution. It shows the degree of acidity in the solution. We also know that the pOH can be obtained from the pH using; pOH = 14-pH.
Hence, if the pH of the solution is 2.00. it follows that the pOH of the solution is 12.
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N2 (g) + 3H2 (g) ⇔ 2NH3 (g) + Energy
Complete the table below by filling in "right" or "left" for the equilibrium shift and "increases" or "decreases" for the concentration of reactants and products.
Answer:
b is the answer
6. What is the mass of the object if the net force acting on it was 356 N and the acceleration rate
was 4 m/s/s2
The mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.
How to calculate mass?The mass of an object can be calculated using the following formula:
F = ma
Where;
F = force (N)m = mass (kg)a = acceleration (m/s²)m = F/a
m = 356/4
m = 89kg
Therefore, the mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.
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What are the examples of 8 branches of chemistry?
Answer:
hmm suspicious
lol I don't know bye
10) How can you find the density of any gas at standard conditions?
What causes “gaps in the rock record” and how is that described?
Answer:
An unconformity is a widespread surface separating rocks above and below, which represents a gap in the rock record. Unconformities occur when either erosion wears away rocks, or rock deposits never form. Therefore, a time gap exists between when the rocks below the unconformity formed and when those above it formed.
Explanation:
Which of the following is not manufactured from high-density polythene?
A. Containers
B. Pipes
C. Candles
D. Toys
Hey there!
C. Candle
Explanation:
Answer. High-density polyethylene or HDPE is a thermoplastic polymer used in the production of plastic bottles, containers, corrosion-resistant pipes, etc. and not used for the production of candles. Commercially available candles are made with paraffin wax.
A 0.205 g sample of caco3 (mr = 100.1 g/mol) is added to a flask along with 7.50 ml of 2.00 m hcl. caco3(aq) + 2hcl(aq) → cacl2(aq) + h2o(l) + co2(g) enough water is then added to make a 125.0 ml solution. a 10.00 ml aliquot of this solution is taken and titrated with 0.058 m naoh. naoh(aq) + hcl(aq) → h2o(l) + nacl(aq) how many ml of naoh are used?
Answer:
118MOLS
Explanation:
M1VI=M2V2
THE REST WORK OUT ( BA UNZA STUDENTS HE HE HE )
A 6.0-mol sample of KClO3 was decomposed according to the equation 2KClO3 --> 2KCl + 3O2. How many moles of O2 are formed?
9.0 mol
2.5 mol
6.0 mol
4.5 mol
Answer:
2.5 mol is the answer
Explanation:
hope it will help you..
9 moles of O2
Balanced equation: 2KClO3 --> 2KCl + 3O2given:
6.0-mol of KClO3
using molar ratio:
2KClO3 : 3O2
2 : 3
moles of O₂ = ( 6/2 ) * 3 = 9 moles
How does learning about elements,compounds and i turns allow us to understand the matter around us
Answer:
shows how anything like each thing is composed of for instance see how water is made of: hydrogen and oxygen which makes it a compound
The elements are the basic things by which everything in the world is build up. Different elements combine to form compounds. There are various kinds of inorganic and organic compounds around us that create the matter.
What are elements ?Elements are the basic things of any substance in the world. There are 118 known elements which can be found in the modern periodic table. These elements include metals, gases, and semi metals.
Atoms of same elements forms molecules. Atoms of different elements combines to form the compounds. There are various types of compounds such as ionic compounds, covalent compounds, coordination complex etc.
Water is a compound formed from the elements hydrogen and oxygen. The table salt we use every day is a compound, sodium chloride. Similarly we can find there are many compounds that we use everyday are creating the matter in the world.
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Pls help ASAP I’ll mark BRAINLIEST this is science btw.
Answer:
It should be Magnetic fields can push and pull objects without touching
but I only say with touching. Maybe it's an error on you're teachers/Prof behalf.
All materials are made of _____________.
A. Insulators
B. Atoms
C. Stuff
D. Conductors
Answer:
b atoms
Explanation:
everything is made up of atoms
Hi hello this system to have to ask question for answers is not good. I’m poor
Answer:
so what do you need help with?
Explanation:
Answer:
what do you need help with i will try to answer
Explanation:
Part 1. determine the molar mass of a 0.458-gram sample of gas having a volume of 1.20 l at 287 k and 0.980 atm. show your work.
part 2. if this sample was placed under extreme pressure, describe how the actual volume would compare to the predicted volume. explain your answer.
The molar mass of a substance can be calculated by first calculating the number of moles using ideal gas law equation:
PV = nRT
Where;
P = pressureV = volumeT = temperatureR = gas law constantn = no of moles0.98 × 1.2 = n × 0.0821 × 287
1.18 = 23.56n
n = 1.18/23.56
n = 0.05moles
mole = mass/molar mass
0.05 = 0.458/mm
molar mass = 0.458/0.05
molar mass = 9.15g/mol
Therefore, the molar mass of 0.458-gram sample of gas having a volume of 1.20 l at 287 k and 0.980 atm is 9.15g/molIf this sample was placed under extreme pressure, the volume of the sample will decrease.Learn more about gas law at: https://brainly.com/question/12667831
How much hcl must be added to a liter of buffer that is 1. 5 m in acetic acid and 0. 70 m in sodium acetate to result in a buffer ph of 4. 01?]
For a liter of a buffer that is 1. 5 m in acetic acid and 0. 70 m in sodium acetate, and with a result in a buffer pH of 4.01, the moles of HCl required is mathematically given as x=0.313mol
What is the result in a buffer ph of 4. 01?Generally, the equation for the pH is mathematically given as
pH=pKa+logsalt/acid
Generally, the equation for the Chemical Reaction is mathematically given as
HCl+CH3CooNa---->NaCl+CH3OOH
Therefore
4.01=4.74+log\frac{0.8-x}{1.3+x}
-0.52=log\frac{0.8-x}{1.3+x}
x=0.313mol
In conclusion, The moles of HCl required is
x=0.313mol
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Buffer is a solution that prevents pH variation in a solution when base or acid is added. In a liter of buffer 0.313 mol of hydrochloric acid must be added.
What is pH?pH is the potential of hydrogen and is given as,
[tex]\rm pH =\rm pKa + log \dfrac{salt}{acid}[/tex]
The chemical reaction is given as,
[tex]\rm HCl+CH_{3}COONa \rightarrow NaCl+CH_{3}OOH[/tex]
Given,
pH =4.01
pKa = 4.74
Concentration of salt = 0.8 - x
Concentration of acid = 1.3 + x
Substituting values in the pH formula:
[tex]\begin{aligned} 4.01 &= 4.74 + \rm log \dfrac{(0.8 - x)}{ (1.3 + x)}\\\\-0.52 &= \rm log \dfrac{(0.8 - x)}{ (1.3 + x)}\\\\&= 0.313 \;\rm mol\end{aligned}[/tex]
Therefore, 0.313 moles of HCl are needed.
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How do acquired characteristics differ from adaptations
Answer:
acquired traits are traits that organisms develops over a lifetime. adaptation are trait that enhances an organism's ability to survive and reproduce in its environment.
SCIENCE- The Periodic Table of elements
help help
Answer:
hydrogen is the first in periodic table
A gas mixture contains the following gases with the mole fractions indicated:
water (0.164), hydrogen (0.278), oxygen (0.455), and carbon dioxide (0.101). The
mixture also contains carbon monoxide. What is the mole fraction of carbon
monoxide? PLEASE HELP!
Hi there!
To find the mole fraction for the remaining compound (Carbon monoxide), we must remember that mole fractions add up to ONE.
We can subtract the mole fractions of all of the other gases from one to solve for the mole fraction of carbon monoxide.
1 - 0.164 - 0.278 - 0.455 - 0.101 = 0.002
What is the Electronegativity difference of C and S?
Answer:
S 2.6 [2.58] & C is 2.6 [2.55]
Explanation:
The pH of a 0.016-M aqueous solution of p-toluidine
(CH3C6H4NH2) is 8.60. Calculate Kb.
From the calculations performed, the Kb of the reaction is 9.9 * 10^-10
What is Kb?
The term Kb refers to the base dissociation constant of a solution. We have the following information from the question;
pH of the solution = 8.60
concentration of p-toluidine = 0.016-M
Recall that pOH = 14 - pH
pOH = 14 - 8.60 = 5.4
[OH] = Antilog (-5.4) = 3.98 * 10^-6 M
We have to set up the ICE table;
CH3C6H4NH2(aq) + H2O(l) ⇄ CH3C6H4NH3^+(aq) + OH^-(aq)
I 0.016 0 0
C -x +x +x
E 0.016 - x 3.98 * 10^-6 3.98 * 10^-6
Hence;
Kb = [3.98 * 10^-6]^2/[0.016 - 3.98 * 10^-6]
Kb = 9.9 * 10^-10
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Hello people ~
Which of the following fibres is used for making parachutes?
A. Plastic
B. Terelyne
C. Nylon
D. Taylor swift
Answer:
C. Nylon
Explanation:
Nylon is a synthetic fiber, strong, elastic, and holds excellent abrasion resistance. Therefore it is used for making parachutes and ropes for rock climbing.
Answer:
Nylon
Explanation:
Nylon is a synthetic fibre not natural so long lastingIt is highly elastic and strong material.It is water proof also so used for making parachutesWhich units are used for weight? Give the full name, not the abbreviation.
Answer:
Gram, Kilogram, and Tonne
Explanation:
Answer:
The unit of measurement for weight is that of force, which in the International System of Units (SI) is the newton. For example, an object with a mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth, and about one-sixth as much on the Moon.
Explanation:
A bicycle tire has a volume of 1.0 l at 22°c. if the temperature of the tire is increased to 52°c, what is the resulting volume of the tire? type in your answer using the correct number of significant figures. use the formula for charles' law: v1 t1 = v2 t2 l
The relationship between the volume, temperature, and pressure of the gas can be given by Charles law. The volume of the tire is 1.1 L.
What is Charle's law?According to Charles's law, the volume is directly proportional to the temperature of the gas at a constant pressure.
Charle's law can be shown as,
[tex]\rm \dfrac{V_{1}}{T_{1}} = \rm \dfrac{V_{2}}{T_{2}}[/tex]
Given,
Initial volume = 1.0 L
Initial temperature = 295 K
Final volume = ?
Final temperature = 325 K
Substituting values in the above equation the final volume can be calculated as:
[tex]\begin{aligned}\rm V_{2} &= \rm \dfrac{V_{1}T_{2}}{T_{1}}\\\\&= \dfrac{ 1 \times 325}{295}\\\\&= 1.1\;\rm L\end{aligned}[/tex]
Therefore, the final resulting volume of the tire is 1.1 L.
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Answer:
1.1 LExplanation: