The two major groups of dinosaurs during the Jurassic Period were the saurischians and the

A) pterosaurs.

B) ichthyosaurs.

C) ornithischians.

D) herbivores.

Explain, using the particle theory, how the rate of a chemical reaction depends on concentration and temperature (6marks)

Given the reaction: 2 NaOH + H2SO4 Na2SO4 + 2 H2O How many milliliters of 1 M NaOH are needed to exactly neutralize 100 milliliters of 1 M H2SO4? a 50 ml b 100 ml c 200 ml d 400 ml

When representative elements form ionic compounds which elements achieve full octets? metals and nonmetals nonmetals only neither metals only

What is the empirical formula for a substance that contains 24.59% phosphorus and 75.41% fluorine by mass?

Which of the following is 2.45986 rounded to 3 significant digits?

Which of the following statement is not true? A) The sun is involved in producing tides B) There can be two high tides in one location during a single day C) Only the oceans have tides D) If there is a high tide, there will be a low tide

A solution which has a concentration that exceeds its predicted solubility at a certain temperature and pressure would be -

Convert 4.992*1010 g to each of the following units. B. Mg c. mg D. metric tons

The ideal gas law shows us how a gas will behave under many conditions. The formula is: P V = n R T Where P = pressure, V = volume, n = amount of the substance, R = ideal gas constant, and T = temperature.

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin