When heated KClO3 decomposes into KCl and O2 if this reaction produced 31.9 g of KCl how much O2 was produced in grams

An ideal gas is stored in a container at constant volume. If the temperature (T) were increased to 3T, what would be the change in pressure (P) ?

how many grams of calcium oxide are producer from the decomposition of 125 grams of calcium carbonate

Which combination best represent the mass and charge of a neutron? 0 amu; positive 1 amu; neutral 1 amu; positive 0 amu; neutral

you add 6.6g of iron to 29.00ml of water and notice that the voume of iron and water together is 29.84ml what is the density of the iron?

the diagram below shows DNA molecules. What do the broken lines connected to hydrogen atoms represent in this diagram?

Genetic evidence supports which of the following explanations for the presence of 13 different finch species on the Galápagos Islands? A.

A living thing that cannot make its own food and must eat other living things for energy

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.

If increase the amplitude how does the velocity change? (No google)

What is the result of multiplying (2.5 * 1010) * (3.5 * 10-7) ? Use the correct number of significant digits.