What is pOH of water?

A. 10^7

B. 10^-7

C. 7

D. - 7

A 6.53 g sample of a mixture of magnesium carbonate and calcium carbonate is treated with excess hydrochloric acid. The resulting reaction produces 1.73 L of carbon dioxide gas at 26 ∘C and 745 torr pressure.

How many joules are needed to warm 675 grams of water (specific heat = 4.186 J/g degrees Celsius) from 12 degrees Celsius to 85 degrees Celsius?

Is c4 a compound element or mixture

List the 4 major groups of inorganic chemicals common in cells:

Sarah is learning about human-harnessed electricity as well as naturally-occurring electricity. Sarah comes in contact with many forms of electricity each day.

Whic of the following fromulas represents a nonpolar molecule? a) N2 b) H2O c) NaCI d) HCI

What is the density of 19.2 g of oak that has a volume of 25.7 cm3?

Which of these is a compound? О co2, O2, Co

Explain this observation: Only a small area of the day side of earth can see a solar eclipse.

total mass of the Syringe. Record it in the correct row of the data table. how many kilograms would it be?