C + O2 - -> CO2 + 60kJ

is the reaction exothermic or

endothermic?

Which of the following biological macromolecule is correctly paired with its main function in the body?

What's the size of a astatine Atom compared to a tellurium Atom

What is starchelement compound or mixture

Give the nuclear symbol for the isotope of gallium that contains 40 neutrons per atom

sodium hydroxide, NaOH, is dissolved in water to make up a solution that is 1.58 * 10 - 5 M in NaOH. What is the pH

Pretend you are the size of an atom and you are observing a reaction between a potassium ion and a fluorine atom. Describe how an ionic bond forms as the atoms react.

Calculate how to prepare 250.00 ml of approximately 1.0 m hcl solution from the 2.5 m hcl solution. show your work.

If the volume of 0.100M HCl delivered to 10.0mL of NaOH is 12.0mL the NaOH concentration is

The mass of 126c is exactly 12 u. what is the total binding energy of this nucleus?

A reaction is in equilibrium as shown: a + b c + d. calculate the equilibrium constant if the final concentrations stabilize at: a = 9.60 m b = 10.0 m c = 4.00 m d = 4.00 m 0.167 0.408 2.45 5.99