If you are using a thermometer, you are measuring the

Answers

Answer 1

Answer: Fahrenheit (temperature) Is it asking in science?

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Given the reaction below, which is the oxidized substance? Mg + Cl2 Mg2+ + 2Clmc005-2
Cartilage is not flexible. True False
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A container is filled with 4.0 g H2 and 5.0 02. How much water is produced
Directions: Write the name of the type of chemical reaction in the space provided.(Can be Synthesis Reaction, Decomposition Reaction, Combustion, Single Displacement Reaction or Double Displacement Reaction)

In which reaction will the point of equilibrium shift to the left when the pressure on the system is increased

Answers

The correct answer for the question that is being presented above is this one: "CaCO3(s) <-> CaO(s) + CO2(g)." In this reaction will the point of equilibrium shift to the left when the pressure on the system is increased: CaCO3(s) <-> CaO(s) + CO2(g)

Answer:

Explanation:

You fill a rigid steel cylinder that has a volume of 20.0 L with nitrogen gas to a final pressure of 2.00 *10^4 Kpa at 28c How many kilograms of N2 does the cylinder contain

Answers

The quantity of nitrogen the cylinder contains is 4477.8 g

What is pressure?

Pressure is a force exerted in a perpendicular direction in any item.

By ideal gas law

PV = nRT

$P =(w)/(M) =(RT)/(V)\n$

w = mass

Volume is 20.0 l

Pressure is $2.00 * 10^4 \;Kpa$

The molar mass of nitrogen is 28 g/mol

R is gas constant = 0.0821

Temperature is 28 converted into kelvin that is 301 k

Putting the values

$197.6 =(w)/(28) =(0.0821 * 301 )/(20\;l)\n\nw = 4477.8 g$

Thus, the mass of nitrogen is 4477.8 g.

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Answer : The mass of $N_2$ gas is, 4477.8 g

Solution :

using ideal gas equation,

$PV=nRT\n\nP=(w)/(M)* (RT)/(V)$

where,

n = number of moles of gas

w = mass of gas

P = pressure of the gas = $2* 10^4Kpa=197.6atm$

conversion : $1atm=101.2Kpa$

T = temperature of the gas = $28^oC=273+28=301K$

M = molar mass of $N_2$ gas = 28 g/mole

R = gas constant = 0.0821 Latm/moleK

V = volume of gas = 20 L

Now put all the given values in the above equation, we get the mass of gas.

$197.6atm=(w)/(28g/mole)* (0.0821Latm/moleK* 301K)/(20L)$

$w=4477.8g$

Therefore, the mass of $N_2$ gas is, 4477.8 g

The gases listed are at standard temperature and pressure: · 1 mol of CO2 gas · 1 mol of N2 gas · 2 mol of O2 gas Which statement is correct? The volume of 1 mol of CO2 is greater than that of 2 mol of O2 . The volume of 1 mol of CO2 is greater than that of 1 mol of N2 . The volumes of 2 mol of O2 and 1 mol of N2 gases are the same. **The volumes of 1 mol of CO2 and 1 mol of N2 gases are the same.**

Answers

Answer : The volume of 1 mole of $CO_(2)$ and $N_(2)$ gases are the same.

Solution: Given,

Moles of $CO_(2)$ = 1 mole

Moles of $N_(2)$ = 1 mole

Moles of $O_(2)$ = 2 mole

Formula used for ideal gas is :

P V = n R T

According to the question, the gases are at standard temperature and pressure. So, the volume of gases only depends on the number of moles. This means that the higher the number of moles, higher will be the volume of gas.

The moles of $O_(2)$ are more than the moles of $CO_(2)$ and $N_(2)$ . So, the volume of $O_(2)$ will be more.

And the moles of $CO_(2)$ and $N_(2)$ are equal. Therefore, their volumes are also equal.

Therefore, the best option is the volume of 1 mole of $CO_(2)$ and $N_(2)$ gases are the same.

The right answer for the question that is being asked and shown above is that: "The volumes of 1 mol of CO2 and 1 mol of N2 gases are the same." The statement that is correct as far as the gases listed are at standard temperature and pressure is concerned is that the volumes of 1 mol of CO2 and 1 mol of N2 gases are the same

___wastes are solid, liquid, or gas wastes that are toxic, flammable, corrosive, reactive, or radioactive.a. solid
b. hazardous
c. domestic

Answers

Answer: Option (b) is the correct answer.

Explanation:

When a substance is used and thrown away which can lead to damage in the environment as it may [produce some toxic or hazardous gases is known as a hazardous waste.

These wastes can be solid, liquid or gaseous.

For example, batteries, kerosene, garden chemicals etc are all hazardous waste.

A domestic waste is a waste thrown by a household which may include paper, vegetable waste, cardboard, yard clippings etc.

Thus, we can conclude that hazardous wastes are solid, liquid, or gas wastes that are toxic, flammable, corrosive, reactive, or radioactive.

It's hazardous m8. :P

The density of aluminum is 2.70 g/cm3. What is the mass of 235 cm3 of aluminum? 634.5 g
635 g
635 g/cm3
634.5 ml

Answers

Answer:

JUST B

Explanation:

Final answer:

The mass of 235 cm³ of aluminum, which has a density of 2.70 g/cm³, is calculated to be 634.5 g using the formula Mass = Density × Volume.

Explanation:

To find the mass of a given volume of a substance, you can use the formula: Mass = Density × Volume. In this case, the density of aluminum is given as 2.70 g/cm³ and you need to find the mass of 235 cm³ of aluminum.

Substitute the given values into the formula:

Mass = 2.70 g/cm³ × 235 cm³ = 634.5 g

Therefore, the mass of 235 cm³ of aluminum is 634.5 g.

Learn more about Density Calculation here:

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Chemical reactions can be detected by the formation of a gas.
a. True
b. False

Answers

A) True , production of a gas (new substance) during the reaction of two isotopes indicate a chemical reaction

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