What are the 2 main sources of sulfur and nitrogen gases in Canada?

A student-made sample of sodium carbonate weighing 0.169g that generates 37.6 mL of CO2 gas when treated with sulfuric acid. The atmospheric pressure in the lab is 731.8 mm Hg and the temp. is 21.3-degree Celsius. A.

Solar homes often use water to collect heat from the sun. If the same amount of heat was used on 2500 kg of water in one house and 1500 kg of water in a second house, what will happen? The 2500 kg of water will reach a higher temperature.

How many atoms are in a sample of 175 grams of sodium (na) ?

Anthracite is a type of coal that is composed of carbon with small amounts of hydrogen, oxygen, nitrogen, and sulfur. The formula for a sample of anthracite is C 240 H 90 O 4 NS. Calculate the amount of carbon in 40.0 kg of the sample.

Calculate the pH of a solution with [H+] = 1.45 x 10-10 M.

Foods labeled "fat free" can actually contain less than 0.5 grams of fat.

How many grams of water will absorb a total of 2400 joules of energy when the temperature changes from 10.0°C to 30.0°C?

How does a tree speed up erosion? How can it slow erosion down?

In terms of electron configuration, why arsenic and antimony are chemically similar.

What does average speed mean