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In Part A, 90 g of water at 20°C is mixed with 100 g of aluminum at 100°C, reaching an equilibrium temperature of 30°C. What is the heat gained, in cal, by the water? (Specific heat of water: 1 cal/g·°C)

What is your slope for the charge (Q) versus voltage (V) graph in number 2?

At constant volume, the pressure of oxygen at 150 K is measured as 50 atm. What is the pressure, in atm, when the temperature increases to 450 K?

At a constant temperature of 450 K, the pressure of a gas at a volume of 1 container is 50 atm. What is the pressure, in atm, when the volume decreases to 0.5 containers?

What will happen to the average rate of change of the magnetic field (f) if the magnet strength is doubled while keeping RPM constant?

Please sort the following variables into the appropriate category.

What is the ratio of for an incident angle of 40 degrees?

When you plot  Rs vs ns, what is the slope of the best fit line? Round to the nearest whole number.

When you plot  Rp vs np, what is the slope of the best fit line? Round to the nearest whole number.

What is the total current in the two bulb series circuit?  Give your answer in Amps rounded to one decimal place.  Do not include the unit in your answer.