A sealed balloon is filled with 2.20 liters of helium gas at 20.0° C. If the pressure does not change, what is the temperature when the balloon expands to a volume of 2.60 liters?

16.9° C

23.6° C

25.1° C

73.3° C

How much pure acid should be mixed with 66 gallons of aa 60 %60% acid solution in order to get a nbspa 70 %70% acid​ solution?

What type of reaction takes place when melting a solid

Covalent compound for c4i7

What is an aqueous solution? What is an aqueous solution? An aqueous solution is a homogeneous mixture of a substance with water. An aqueous solution is a dispersoid solution. An aqueous solution is a mixture of a liquid substances.

What is a pure substance that cannot be chemically broken down into simpler substances?

What is at mass no of potassium

According to the modern atomic theory, are atoms divisible?

Running a mile involves

How many calories are there in a 255 Food Calorie snack bar? a. 1 x 103 b. 2.55 x 105 c. 1.07 x 103 d. 60.9 e. none of the above

What is the greatest amount of ammonia (NH3) in moles that can be made with 4.7 mol N2 and 6.9 mol H2? Which reactant is limiting? How many moles of excess reactant will be left after the reaction?