The mass of the boat is equal to the mass of the liquid which is displaced by placing the boat in the liquid.
What is Archimedes' Principle?
Archimedes' Principle states that the buoyant force of the object is equal to the weight of the water which is displaced by the boat. If the weight of the water that is displaced by the boat is less than that of the weight of the boat, then in this case the boat sinks. Archimedes' principle or the buoyant force is very useful for the calculation of the volume of an object that does not have a regular shape.
The mass of the displaced liquid is always equal to the volume of the liquid multiplied by the density of the fluid. When a boat is placed in the water, the volume of displaced water is equal to the mass of the boat which is placed in it.
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matter can undergo chemical reactions and nuclear reactions. which properly is conserved in nuclear reactions?
Answer:change in number of atoms
Explanation:AP3X
Which change of state involves a release of energy?
Answer: CONDENSATION When steam is cooled, it releases thermal energy and turns into its liquid state. This process is called condensation. reversed if the liquid is cooled. The change from the liquid state to the solid state is called freezing
Zack and Frankie were planning a game of flashlight tag on both Friday and Saturday night.
Answer:
oKaY?!
Explanation:
2 NaOH (s) + CO2(g) → Na2CO3 (s) + H20 (I) How many grams of water can be produced with 1.85 moles of NaOH
Explanation:
Mole ratio of NaOH to H2O = 2 : 1
Moles of H2O = 1.85mol * (1/2) = 0.925mol.
Mass of H2O = 0.925mol * (18g/mol) = 16.65g.
Answer:
16.65 grams of water can be produced with 1.85 moles of NaOH.
Explanation:
Mole ratio of NaOH to H2O = 2 : 1
Number of moles of water = (1/2)×1.85= 0.925 moles
Molar mass of water (H2O) = 18g/mol
Mass of the right water = 18g/mol×0.925 mol=16.65 grams
PLZ HELP ME BEING TIMED!!!!!
What is creating our Earth's Magnetic field?
1) Our Earth's iron liquid outer core rotating around the solid inner core
2) Our Earth having a stationary inner core
3) Our Earth having rocky center
4) All of the above
Answer:
1) Our Earth's iron liquid outer core rotating around the solid inner core
Explanation:
The earth's magnetic field or the geomagnetic field is produced as a result of the earth's iron liquid outer core rotating around the solid inner core.
This produces the earth's magnetic field.
The earth's core is made up of solid and liquid region. Only the densest elements are found within this region. So, the core is made up of metals which are mainly iron and nickel. The outer core is liquid or molten iron and the inner core is solid. The molten iron and nickel in the outer core moves around the inner core and generates the currents which induces a magnetic field round the earth.A parallel circuit contains four identical lamps. The current through the energy source is 4 A. The total resistance of the circuit is 10 Ω. What is the voltage across the energy source and across each lamp
Answer:
a parallel circuit has two or more paths for current to flow through voltage is the same across each component of the parallel circuit the sum of the current through each path is equal to the total current that follows from the source another definition is in a parallel circuit all components are connected across each other formally exactly two sets of electricity common points a branch in a parallel circuit in a path of electricity current formed by one of the load component
HELPPPPPPPPPPPPPPPPPP
Answer:
*helps and doesnt get deleted*
Explanation:
What is the frequency of a photon that has a wavelength of 6.58 x 10-8m?
Answer:
6 x 10 (power to the 15) H2
Answer:
i dont know the answer but you could search up photon calculator, hope this helps (im very sorry i couldnt help but i havent learned about that yet, im in 9th grade)
A certain solid element is better electrical conductor than sulfur, but a poorer electrical conductor than copper. Which of the following elements is most consistent with this information.
a) germanium b) oxygen c) potassium d) mercury e) neon
To convert between units, you need to know the relationship between units. For example, one mile equals 5280 feet. This relationship can now be used as a conversion factor, set up as required by the question. For each conversion, choose the correct arrangement of the conversion factor and complete the calculation 1. Convert 7860 feet to miles 7860 feet x (A)
A: 1 mile
B: 5280 feet 7860 feet miles 2. Co 0.5 miles to feet 0.565 miles x (C) TD
C: Choose...
D: Choose 0.565 miles feet
Answer:
1. 7860 Feet = 1.488 miles
A= 1
B= 5280
2. 0.565 miles = 2983.2 feet
C= 0.565
D= 1
Explanation:
1. Convert 7860 feet to miles
1 miles= 5280 feet
1 Feet= 1/ 5280 miles
7860 Feet= 7860 ( 1/ 5280) miles
7860 Feet = 1.488 miles
A= 1
B= 5280
2. Convert 0.565 miles to feet
1 mile= 5280 feet
0.565 miles = 5280 feet * (0.565/1)
0.565 miles = 2983.2 feet
C= 0.565
D= 1
We see that when we have to convert feet into miles we divide the number by 5280 because feet are smaller than miles. Similarly when we have to convert miles into feet we multiply by the given number because miles are greater than feet.
The above method used is called the unitary method but we should always keep in mind that conversion from smaller to bigger units require divsion and from bigger to smaller units require multiplication.
What are the names of the compounds containing silver?
Show the compound formula and their names. (WRITE CLEARLY AND NEATLY OR THE QUESTION WILL BE CONSIDERED WRONG)
Answer:
the silver compounds include:
silver chloride agcl ,
silver bromide agbr ,
and silver iodide agi.
A(n)_________contains only one type of atom, whereas a(n)_________ is composed of two or more different elements bonded together. A(n)___________ also contains more than one substance, but these can be separated by physical means, whereas the components of a compound cannot.
Answer:
1. Element
2. Compound
3. Mixture
Explanation:
Elements and compounds are both pure substances. ELEMENTS are substances that contain only one type of atom. For example, Cl2 contains only chlorine atoms. COMPOUNDS, on the other hand, contain atoms of two or more elements that are chemically joined together. For example, CaCl2 contains atoms of calcium and chlorine.
MIXTURES are another kind of substances that contains more than one substances, however, unlike compounds, they are not chemically joined. Mixtures can easily be separated by physical means.
6. What is the equilibrium constant for the following reaction?
C+02 = CO2
Given
Reaction
C+02 = CO2
Required
The equilibrium constant
Solution
The equilibrium constant is the ratio of concentration or pressure between the product and the reactant with each reaction coefficient raised
The equilibrium constant is based on the concentration (Kc) in a reaction
pA + qB -----> mC + nD
[tex]\large {\boxed {\bold {Kc ~ = ~ \frac {[C] ^ m [D] ^ n} {[A] ^ p [B] ^ q}}}}[/tex]
So for the reaction :
C+O₂ ⇔ CO₂
[tex]\tt Kc=\dfrac{[CO_2]}{[C][O_2]}[/tex]
FUСR THE WORLD SAY AND TO 4142-414=? HELPPPPPPPPPPPPP
Answer:
UMMMMMMMMMMM
Explanation:
Answer:
3729
Explanation:
US
What is the percent of H in
NH3?
(H = 1.008 amu, N = 14.01 amu)
[?]%
Answer:
17.6
Explanation:
Answer is explained above
Sodium chlorite decomposes into salt and oxygen gas. What is the correct balanced decomposition reaction.
NaClO3 -> NaCl + O2
Answer:
i think it would be c
Explanation:
sorry if it is wrong
Answer:
2NaClO₃ -> 2NaCl + 3O₂
Explanation:
The number of atoms in the reactants has to equal the number of atoms in the products.
Hope that helps.
Which macromolecules break apart by hydrolysis?
Answer:
Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.
Explanation:
How far in advance is weather forecasting most accurate?
one week
one month
multiple years
multiple months
Answer:
One week.
Explanation:
I would think one month because on weather websites you can see a month of weather. But the closer the day your looking at the prediction will be more accurate.
The most accurate range of data for weather forecasting is: A. one week.
What is weather?Weather can be defined as the average atmospheric conditions of a particular area (region) over a short period of time.
The elements of weather.Some examples of the elements of weather include the following:
PrecipitationAtmospheric pressureRelative humidityWind speedTemperatureIn meteorology, the most common forecasted element of weather is temperature (degree of hotness or coldness) and it usually done a weekly basis such as one week.
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Elements on the periodic table are arranged?
Answer:
In atomic number
And size
And nature of each (metal, non, or metalloide)
[tex]\Large \boxed{\sf by \ their \ properties}[/tex]
Every element has a set of particular characteristics. Each has a unique atomic and mass number because they contain a different ratio of protons and neutrons. The number of protons in an element mirrors the element's atomic number. The mass number equals the sum of the element's protons and neutrons.
According to increasing atomic numbers, chemical elements get organized. Periods and groups are the names of the horizontal rows and vertical columns, respectively. The chemical characteristics of elements within the same group are comparable due to their similar valency and number of outer electrons.
Naturally occurring silicon consists of three isotopes with the following isotopic masses and abundances. Isotope Isotopic mass (u) Abundance (%) 2828 Si 27.976926532727.9769265327 92.229792.2297 2929 Si 28.9764947228.97649472 4.68324.6832 3030 Si 29.9737702229.97377022 3.08723.0872 Calculate the average atomic mass of naturally occurring silicon to at least four significant figures.
The question is incomplete, the complete question is;
Silicon has three naturally occurring isotopes with thefollowing masses and natural abundances:
Isotope Mass ({\rm amu}) Abundance (%)
{\rm Si}-28 27.9769 92.2
{\rm Si}-29 28.9765 4.67
{\rm Si}-30 29.9737 3.10
Calculate the atomic mass of silicon.
Answer:
28.09 amu (to four significant figures)
Explanation:
Given that;
Isotope Mass Abundance (%)
Si-28 27.9769 92.2
Si-29 28.9765 4.67
Si-30 29.9737 3.10
So we now have;
Relative atomic mass of silicon;
(27.9769 × 0.9218) + (28.9765 × 0.0471) + (29.9738 × 0.0312)
25.789 + 1.365 + 0.9351 = 28.09 amu (to four significant figures)
The following chemical reaction takes place in aqueous solution:
AgF(aq)+Nal(aq) ——> Agl(s)+NaF(aq)
Write the net ionic equation for this reaction.
The net ionic equation : Ag⁺(aq)+l⁻(aq) ⇒ Agl(s)
Further explanationGiven
Reaction
AgF(aq)+Nal(aq) ——> Agl(s)+NaF(aq)
Required
The net ionic equation
Solution
The equation of a chemical reaction can be expressed in the equation of the ions
In the ion equation, there is a spectator ion that is the ion that does not react because it is present before and after the reaction
When these ions are removed, the ionic equation is called the net ionic equation
AgF(aq)+Nal(aq) ——> Agl(s)+NaF(aq)
Ag⁺(aq)+F⁻(aq)+Na⁺(aq)+l⁻(aq) ⇒ Agl(s)+Na⁺(aq) + F⁻(aq)
Ag⁺(aq)+l⁻(aq) ⇒ Agl(s)