A helium-filled balloon contains 125 mL of gas at a pressure of 0.974 atm. What volume will the gas occupy at standard pressure?

128.33 mL He

125.974 mL He

121.75 mL He

124.026 mL He

1. How would you explain that energy in animals' food was once energy

Carbon dioxide is easily dissolved in water true or false

The perimeter of a square

What are the two parts of an atom?

his is the chemical formula for epinephrine (the main ingredient in adrenaline) : C9H13O3N A biochemist has determined by measurements that there are 33. moles of carbon in a sample of epinephrine. How many moles of nitrogen are in the sample?

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in

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A phase change from a solid to a gas is called what

What is the meaning of semipermeability?

What type of reaction does Fe+Ag2SO4-FeSO4+Ag