Why is the data for water different from the elements, hydrogen and oxygen?

What are the three major branches of natural science? • Earth and space science, life science, physical science •Earth and space science, physical science, chemistry •Physical science, life science, chemistry •Life science, chemistry, physics

A teniss ball has more mass than a gold ball because

Which term describes matter that is a substance made of different kinds of atoms bonded together?

the reaction of magnesium with hydrochloric acid carried out in a calorimeter caused the temperature of water to change from 25.0 Celsius to 36.0 Celsius. In this reaction 3760J of energy was released. What mass of water was present?

A volume of a fixed gas is doubled and the temperature is doubled. What happens to the pressure of the gas?

When you add salt to water it makes the solution boil A. faster. B. at a lower temperature. C. at a higher temperature. D. slower.

How many mole ratios can be written for a chemical reaction involving 3 substances

The electron cloud model describes which of the following? 1. The negative charge of the electron 2. the neutron orbital 3. the fuzzy path where electrons most likely have been 4. the group of protons that are in the nucleus

Which equation represents a neutralization reaction? a. LiOH (aq) + HBr (aq) - >LiBr (aq) + H20 (1) b. 2HCl (aq) + Zn (s) - > ZnCl2 (aq) + H2 (g) c. H2CO3 (0) - -> H2O + CO2 (g) d. 2NaHCO3 (s) - > Na2CO3 (s) + H2O (g) + CO2 (g)

What is the product of a force and the time during which the force acts