A gas-filled weather balloon with a volume of 65.0 L is held at ground level, at an atmospheric pressure of 732 mmHg and a temperature of 22.0 °C. The balloon is released and rises to about 18,000 m where the temperature is –4.35 °C and the balloon has expanded to 852 L. Calculate the pressure at the higher altitude.

What mass of water (s = 4.184 J/(g·°C)) can absorb 5,000 J of heat while undergoing a temperature change of 25.0 °C?

When the volume of a sample of nitrogen gas is decreased to 683 mL, the pressure increases from1.14 atm to 1483 mmHg. Calculate the initial volume of the sample.

How much heat does it take to increase the temperature of 50.0 g of water from 22.0 ºC to 50.0 ºC?

What is the heat change when 4.56 mol Cl 2 reacts with excess Sn? Sn(s) + 2Cl2(g) → SnCl4(s)      ΔHrxn = −511.3 kJ

Amahle works in the defense sector of the us government. The type of spending that funds her program is:

Which of the following is not a factor contributing to the growth of minority populations in the United States?

Which of the following does an effective nutrition intervention program do?

Determine the slope-intercept form for the line passing through the point (1, 4), parallel to the line y = 2x – 7. y = [ans]

Peyer’s patches are similar to lymph nodes but also different.  What is one of the major differences between these structures (not their location)?