How many joules of heat energy must be added to 5 grams of liquid water to change its temperature from 10°C to 30°C?

Which of the following areas has the highest population density?

On nights when we see the new moon phase, what side of the moon are we seeing?

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.