An object with a density of 1.7 g/ml will float in water

True or False

Hydrocarbons are organic compounds composed entirely of hydrogen and carbon. A 0.1647 g sample of a pure hydrocarbon was burned in a combustion apparatus to produce 0.4931 g of CO2 and 0.2691 g of water.

What is 420,000 in scintific noattion?

A car advertisement states that a certain car that Emily loves can accelerate from 70km/h in 7 seconds find the cars average acceleration

Mayonnaise is made up of eggs, oil, and vinegar. Under which category it should be classified? elements compounds solutions colloids

When magnesium metal, mg, reacts with oxygen, 02, the product of the reaction is mg0, which is called a. di-magnesium oxide b. magnesium oxide c. magnesium oxate d. magnesium dioxide

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?