A laboratory animal exercised on a treadmill raises a 200 g mass 1.55 m, and at the same time loses 5.0 J energy as heat. Assume the animal is a closed system. How much does its internal energy change?

Which of the following is an advantage of using an electronic balance instead of a triple beam balance? A. quicker and easier to use B. less chance of user error C. higher level of precision D. all of these

What's 5 type of energy

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years

Name three other planets besides Jupiter and Saturn in our system that we know have solid diamonds

Pure msg, a common flavor enhancer, exhibits a specific rotation of + 24. calculate the ee of a solution whose [α] is + 11.

What fuel is produced by the electrolysis of water? chlorine gas hydrogen gas natural gas oxygen gas

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?