Convert 450 mm to Dm

What is earths surface made of?

Gases become more soluble in liquids as the temperature

Which outcome can be expected from adding a catalyst to a chemical reaction? A. The reaction will speed up B. Chemical equilibrium will not be reached C. The reaction will slow D. No change will occur

The combustion of ammonia in the presence of excess oxygenyields NO2 (g) and H2O (g) : 4NH3 (g) + 7O2 (g) → 4NO2 (g) + 6H2O (g) The combustion of 43.9 mg of ammonia produces how many grams ofNO2 (g) ? A. 178B. 0.119C. 43.9D. 0.954E. 2.58

Which molecule is polar? A. C2H6 B. CH2Cl2 C. CO2 D. CCl4

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda