Round off 0.0008769 to three significant digits.

What is the number of sulfur atoms that equal a mass of 32.07 amu?

When native prairie soils are brought under cultivation, the fraction of soil organic carbon which disappears most quickly is the passive fraction?

Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas. C2H6O + O2 ethanol oxygen gas What elements will be present in the substances that are created when ethanol burns? A.

a sample of gas at a pressure of 5.1 atm and a temperature of 45 degrees celsius is heated. it's pressure goes to 7.8 atm what is it's new temperature in celsius

A sample of an ideal gas at 1.00 atm and a volume of 1.72 l was placed in a weighted balloon and dropped into the ocean. as the sample descended, the water pressure compressed the balloon and reduced its volume. when the pressure had increased to 35.

A compound is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False

How do you use the periodic table to find the matter, number of subatomic particles, family name, reactivity, and number of valence electrons?

You see rainforests a is far as the eye can see It rains every day and the humidity is fiercel Where might you be? Polar climate Tropical climate Subtropical climate Temperate climate

What is the evaluation of 60.1 x - 9.2? (I pressed chemistry, but I ment to press mathematics, sorry!)

How can I calculate the percent concentration of solution? m solute = 15g m solution = 100g