When you chew your food to break down the larger pieces into smaller particles, how are you to increase the rate of the chemical reactions in your body that breaks down your food?

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Correct relationship between molecular formula and empirical formula

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied