Solve the questions and show how you got your answer.

1. How much heat (Q) is needed to raise the temperature of 8.00 g of lead by
10.0°C? 10.4 J

2. The temperature of a 250.0 g ball of iron increases from 19°C to 32°C.
How much heat did the iron ball gain? 1462.5 J

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What is the temperature of one mole of helium gas at stp?

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong