What happens in a double replacement reaction

Object a has a mass of 3,600 kilograms. Object B has a mass of 600 kilograms. Object B has a mass of 600 kilograms. Both objects were placed on different planets so that their weights are equal.

The temperature of 300 milliliters of a gas at 400K is increased to 800K, pressure remaining constant. What will the new volume of gas be?

How many double bonds are in the lewis structure for hydrogen fluoride, hf?

Describe how you would draw the electron dot structure for bromine and then draw the structure.

Balance the equation for ethane, C2H6, burning in oxygen to form carbon dioxide and steam.

Hf is a stronger acid than nh + 4. which base would be stronger: f - or nh3? 1. f - 2. both bases would be equal in strength. 3. nh3 4. cannot tell from the information given. 5. neither f1 - nor nh3 would be bases.

The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. Calculate the density and molality of the solution.

Whats 2 properties of iron?

Which light packs the highest energy per photon

Which of the following hydrocarbons will most likely be found around cows?