Calculate the heat: how much heat is needed to raise the temperature of 9 grams of aluminum 15 degrees Celsius (specific heat of aluminum= 0.22 cal/g. C)

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

In what direction does the medium move relative to the direction of the wave? explain.

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?