Which of the following is an example of a heterogeneous mixture?

If a gas is heated from 298.0 K to 398.0 K and the pressure is increased from 2.230 x 103 mm Hg to 4.560 x 103 mm Hg what final volume would result if the volume is allowed to change from an initial volume of 60.0 liters?

What is the mass of a paperclip?

Boron is a metalloid. How many valence electrons does boron have? A. 6 B. 3 C. 5 D. 4

A decomposition occurs when you open a can or bottle of soda. Carbonic acid. H. CO, is in carbonated beverages. It decomposes into carbon dioxide and water.

At constant temperature 10.0L of N, at 0.983 atm is compressed to 2.88L. What is the final pressure of N,? 0.283 atm b) 1.51 atm c) 3.41 atm d 29.3 atm a)

What do nucleus act as

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?