Answer:
volume
Explanation:
this is because gallon is a unit of volume.
pls give brainliest
The property of the gas that was used by the chemist's report is volume. The correct option is D.
What is volume?
Volume is a scalar quantity that is used to measure the space occupied by a three-dimensional object. In terms of liquid and gas, the volume is measured as the capacity of the container that contains a liquid.
Gas is a state of matter that has no regular shape and no fixed volume. They have the lowest density and their moles are farthest from each other.
Gallon is a unity of volume that is used in the metric system of the United States. There are 100 gallons of gas in the container, the volume of gas is the total number of moles of the gas in a container.
Thus, the correct option is D. Volume.
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Balance the following chemical equation (if necessary):
Answer:
1 [tex]C_{3}H_{6}O_{2}[/tex] (g) + 6 [tex]O_{2}[/tex] (g) → 3 [tex]H_{2}O[/tex] (g) + 3 [tex]CO_{2}[/tex] (g)
What is the average mass (in grams) of a single chlorine dioxide molecule?
Answer:
35.5 is the answer
Explanation:
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discuss whether glucose is a mixture of water and carbon dioxide or is it a new compound?
Answer:
SEE BELOW
Explanation:
Glucose (C6H12O6) is an organic compound composed of the elements carbon, hydrogen and oxygen.
Write a statement explaining your claim about which experimental setup will dissolve 100 g of
sugar in 1 liter of water at the fastest rate. Next, provide evidence to support your claim about
which setup will result in the fastest rate. Finally, provide reasoning that connects your evidence
to your claim.
Set up A will dissolve the 100g of sugar fastest in 1 L of water due to the inclusion of physical agitation in the form of stirring.
Dissolution of a solid?We have to note that energy and sometimes physical agitation are necessary in order to dissolve a solid in a liquid. In this case, we want to dissolve sugar in water.
Set up A in which the temperature is raised to 80 degrees with agitation will dissolve the 100g of sugar fastest in 1 L of water due to the inclusion of physical agitation in the form of stirring.
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If 4.5 kJ of energy is added to 100 g of copper at 100ºC, what is the final temperature in degrees Celsius?
Answer:
215 [C°].
Explanation:
1) if the given energy is Q, the initial temperature is t₀, the final temperature is t, then
2) Q=cm(t-t₀);
[tex]t=\frac{Q}{cm}+t_0;[/tex]
3) according to the formula above:
[tex]t=\frac{4500}{0.39*100}+100=215.[/tex]
A certain sample of calcium carbonate contains 4.68 moles. what is the mass of the CO3 ions present?
1 mole of Cl2 will produce how many atoms of KCl?
Answer:
1.1 mole
Explanation:
The mass of potassium chloride is 3.8 g . Look at the mole ratio you have between potassium chlorate and potassium chloride; what you will see is that every 2 moles of potassium chlorate will produce 2 moles of potassium chloride, i.e. you have a 1:1 mole ratio between the two compounds
What's the difference between a conductor and an insulator?
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What is kwestrong? I- ready reading
Kwestrong is an Ojibwe event in which women of all ages run, bike and canoe to test their strength and endurance.
What is Kwestrong?Kwestrong is an Ojibwe event that means "strong woman." It is an organization formed by Native women that fosters companionship while also building strength and endurance.
Kwestrong goal is about Native Women empowering and motivating one another to achieve their own fitness goals.
Therefore, we can conclude that, Kwestrong is an Ojibwe event in which women of all ages run, bike and canoe to test their strength and endurance.
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How does an atom become a positively charged lon?
A. by gaining one or more electrons
B. by gaining one or more neutrons
C. by losing one or more electrons
D. by losing one or more neutrons
Answer:
by losing one or more electrons*
How many atoms are in 3.5 L of Neon at STP?
Answer:
This is the answer to the question 0.1734
Explanation:
3.5/20.18
=0.1734
The SI unit of pressure is the _______.
I don't really think what this question about
Answer:
A single time the hail stone was drafted up and down in the atmosphere
Explanation:
When 200.0 mL of a 0.125 M sodium hydroxide is combined with 400.0 mL of a 0.025 M solution of magnesium nitrate, what is the percent yield if 0.45 g of precipitate is isolated?
Answer:
Explanation:
Balanced equation :
2NaOH (aq) + Mg(NO3)2 (aq) → Mg(OH)2(s) + 2NaNO3(aq)
2 mole NaOH reacts with 1 mole Mg(NO3)2 to produce 1 mole Mg(OH)2.
Check for limiting reactant :
Mol NaOH in 200.0 mL of 0.125 M solution
Mol = 0.125 mol/L * 200 mL / 1000 mL/L = 0.025 mol
This will react with 0.025 / 2 = 0.0125 mol Mg(NO3)2
Mol Mg(NO3)2 in 400 mL of 0.025 M solution
= 400 mL / 1000 mL/L * 0.025 mol /L = 0.01 mol Mg(NO3)2
The NaOH is in excess and the limiting reactant is Mg(NO3)2
0.01 mol Mg(NO3)2 will produce 0.01 mol Mg(OH)2
Molar mass Mg(OH)2 = 58.32 g/mol
Mass of 0.01 mol Mg(OH)2 = 0.01mol * 58.32 g/mol = 0.5832 g
Product isolated was 0.45 g
Percent yield = Product / Reactant * 100%
= 0.45 / 0.5832 * 100%
= 77.16% yield.
At the same temperature, which of the following gases will have fastest rate of effusion?
-CO
-SF6
-Cl2
-HBr
According to Graham's law, CO, with the lowest molar mass, will have the fastest rate of effusion.
What is effusion?In physics and chemistry, effusion is the process in which a gas escapes from a container through a hole of diameter considerably smaller than the mean free path of the molecules.
According to Graham's law, the rate of effusion (r) is inversely proportional to the square root of the molar mass (M) of the gas.
r ∝ 1/√M
We have the following gases with the respective molar masses.
CO (28.01 g/mol)SF₆ (146.05 g/mol)Cl₂ (70.90 g/mol)HBr (80.91 g/mol)According to Graham's law, CO, with the lowest molar mass, will have the fastest rate of effusion.
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Dale marc is a 16-years -old stident. he lives in taal,batangas,together with his family. fishing is their primary source of income. they found out that the taal volcano had erupted in taal batangas. what are the possible effects / of this condition on thier condition on their family, and what advice are you going to give him?
The possible effects of this condition on the family is adverse because they can't do fishing due to eruption.
Effects of volcanic eruption on fishing
Aquatic life can be affected due to volcanic eruption due to increase in acidity, change in temperature, and change in food supply. These factors can damage and also kill fish so this eruption has adverse effect on the family's economic condition and my advice is to them to change their place of living and settle in other unaffected area.
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in case you know the solution ~
kindly don't spam !
[tex]\\[/tex]
Answer: -1323 kJ mol^-1
Explanation:
[tex]\begin{aligned}&\mathrm{C}_{2} \mathrm{H}_{4(\mathrm{~g})}+3 \mathrm{O}_{2(g)} \longrightarrow 2 \mathrm{CO}_{2(g)}+2 \mathrm{H}_{2} \mathrm{O}_{(1)} \quad \Delta \mathrm{H}=? \\&\Delta \mathrm{H}=\left(\sum \Delta \mathrm{Hf} \text { products }\right)-\left(\sum \Delta \mathrm{Hf} \text { Reac tan ts }\right) \\&\Rightarrow[(2 \times-393.7)+(2 \times-241.8)]-[(52.3+0)] \\&\Rightarrow[-787.4 - 483.6]-52 \\&\Rightarrow-1323 \mathrm{~kJ} \mathrm{~mol}^{-1}\end{aligned}[/tex]
The enthalpy of combustion for the burning of ethylene is -1323.33 kJ/mol
What is combustion?The term combustion has to do with the burning of a particular substance in oxygen. In this case, the equation of the reaction is;
C2H4 + 3O2 ----->2CO2 + 2H2O
The enthalpy of combustion can be obtained from the relation;
ΔH rxn = [(2(-393.7) + 2(-241.8)] - [(52.3 + 3(0)]
ΔH rxn = (-787.4) + (-483.6) - 52.3
ΔH rxn = -1323.33 kJ/mol
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The general trend in the graph shows an increase in atmospheric carbon dioxide levels from 2002 to 2006.
Describe one human activity that may have produced this increase.
Answer:
dioxide levels from 2002 to 2006.
Explanation:
Abby feeds her dog one and a half cups of food each day and Braxton feed his dog for out of goon
Braxtons dog eats 3 times more than Abbys
Answer:
Braxton's dog eats 3 times more food.
Explanation:
Oscar made a terrarium by filling a jar with some rocks, soil, plants, and water.
Oscar placed a grasshopper in the terrarium and then put a lid on the jar. From what source will the grasshopper receive enough oxygen to survive?
from the soil
from the soil
from the plants
from the plants
from the rocks
from the rocks
from the water
from the plants
Explanation:
bc plant produce 02
A 35.3 g of element M is reacted with nitrogen to produce 43.5 g of compound M3N2 What is (i) the molar mass of the element and (ii) name of the element?
This problem is providing us with the mass of an unknown element which produces 43.5 g of M3N2. Thus, its name and molar mass are required and found to be 4.02 g/mol and calcium nitride after the following:
Stoichiometry.In chemistry, stoichiometry is a tool used for the calculation of masses or moles involved in chemical reactions, by the utilization of molar masses and mole ratios based on proportional factors.
In such a way, for the given reaction, one can use the formulas to write the following balanced chemical equation:
[tex]3M+N_2\rightarrow M_3N_2[/tex]
Where there is a 3:1 mole ratio of the metal to the product, which means we can use the following stoichiometric setup:
[tex]35.3gM*\frac{1molM}{x}*\frac{1molM_3N_2}{3molM} *\frac{(3x+14.01*2)gM_3N_2}{1molM_3N_2}=43.5gM_3N_2[/tex]
Now, by using the numbers only, one will be able to calculate x as the atomic mass of the element M in g/mol:
[tex]35.3*\frac{1}{x}*\frac{1}{3} *\frac{3x+14.01*2}{1}=43.5\\\\\frac{105.9x+989.106}{3x}=43.5\\ \\105.9x+989.106=130.5x\\\\989.106=130.5x-105.9x\\\\x=\frac{989.106}{130.5-105.9} =40.2g/mol[/tex]
Which matches with the molar mass of calcium. Moreover, we find its name as calcium nitride.
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When the volume of a gas is changed from 11.5 cm3 to __ cm3, the temperature will change from 415.0 K to 200.0 K
Answer:
Explanation:
Charles Law: The volume of and ideal gas is directly proportional to the temperature when the pressure is kept constant
V₁ - initial Volume = 11.5 cm³ ; T₁ = Initial temperature = 415 K ;
V₂ - final volume ;T₂ =final temperature = 200 K
[tex]\dfrac{V_{1}}{T_{1}}=\dfrac{V_{2}}{T_{2}}\\\\\\\dfrac{11.5}{415}=\dfrac{V_{2}}{200}\\\\\\\dfrac{11.5}{415}*200=V_{2}\\\\\\V_{2}=5.5 \ cm^{3}[/tex]
how do carbon and silicon differ with regard to the types of orbital available for hybridization?
The element least likely to obey the octet rule in forming chemical bonds is
Answer:
The two elements that most commonly fail to complete an octet are boron and aluminum; they both readily form compounds in which they have six valence electrons, rather than the usual eight predicted by the octet rule.
I think it will help you.
In one to two sentences, explain why metal is often used for making wire and the properties that make metal useful. (Will give 15 points for answer:,))
Answer:
Metal is used in the making of wire because of its high conductivity. Metals are also ductile, so the making of wire is easy with metal.
Explain how temperature and air pressure play a role in creating wind.
How temperature and air pressure play a role in creating wind.
Gases move from high-pressure areas to low-pressure areas. And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. That rush of air is the wind we experience.
hope it helps.
Aliyyah.
Winds are created by the change in temperature gradient which results in the difference in pressure causes the circulation of air from high pressure area to low pressure area that is called winds.
What is winds?Wind is the circulation or passage of air from one region to the other over a pressure gradient. The pressure gradient is resulting from the uneven heating of the atmosphere.
According to Gay- Lussac's law, the pressure of a gas is directly proportional to the temperature of the region. Thus as the temperature over an area increases pressure also increases.
The heat radiated from the sun is unevenly distributed in the earth atmosphere results in difference in pressure also. To balance this pressure difference, the air from high pressure region passes to low pressure region creating the winds.
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13.41g of Fe(NO3)2 is dissolved in 83.0mL of water. Calculate the molarity of the solution.
Answer:
whats the question in this
Explanation:
Nitrogen gas at 20. °C in a balloon has a volume of 3.0 L and pressure of 1.5 atm. If the temperature of the balloon is increased to 30. °C and the pressure to 2.5 atm, what is the new volume of the balloon?
Answer:
In all the problems below, the pressure and the amount of gas are held constant. Problem #1: Calculate the decrease in temperature (in Celsius) when 2.00 L at 21.0 °C is compressed to 1.00 L. Converting 147.0 K to Celsius, we find -126.0 °C, for a total decrease of 147.0 °C, from 21.0 °C to -126.0 °C.
Answer:
1.9L
Explanation:
edg 2023 chemistry A
One day you experience violent thunderstorms followed by a few days of colder weather.
Which type of front most likely moved through your area?
occluded front
stationary front
warm front
cold front
Answer: Cold front
Answer:
Cold front lol
Explanation:
Hopefully this helps :)
When the volume of a gas is changed from 1146 mL to 765 mL, the temperature will change from __ K to 640 K
Answer:
Explanation:
According to Charles rule,
[tex]\dfrac{V_{1}}{T_{1}}=\dfrac{V_{2}}{T_{2}}[/tex]
V₁ = initial volume = 1145 mL
V₂ = final volume = 765 mL & T₂ = final temperature = 640 K
[tex]\dfrac{1145}{T_{2}}=\dfrac{765}{640}\\\\\\Cross \multiply\\\\1145*640=T_{2}*765\\\\\dfrac{1145*640}{765}=T_{2}\\\\T_{2} = 957.9 \ K[/tex]