How many objects in the solar system have been confirmed to currently support life?

A.

three

B.

one

C.

four

D.

two

Identify the independent variable, dependent variable, and constant in the following problem: If you plant hydrangeas in your garden, will the flowers be pink or blue?

Which conditions apply at ph = 7.0? [h+] > [oh-]; the solution is acidic [h+] < [oh-]; the solution is basic [h+] = [oh-] = 0m [h+] = [oh-] = 1 * 10-7m?

What is the molar mass of h3po4

How many ions are present in (NH4) 2CO3? ... ?

What is the total number of sublevels in the fourth principal energy level

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?