How many milliliter is 6 tablespoons?

The change in isotopes over time due to the emission of radioactive particles is known as A. radiometric dating. B. radioactive decay. C. absolute-age dating. D. half-life.

You add 8.9 g of iron to 23.40 mL of water and observe that the volume of iron and water together is 24.53 mL. Calculate the density of iron. Express your answer to two significant figures with the appropriate units.

On a test, Helena is defining energy. Which must she include in order to get her answer marked correct? making objects more compact the ability to do work carrying through matter and space the bonds of atoms

Solid NaCl is added slowly to a solution containing 0.10M AgNO3 and 0.20M Pb (NO3) 2. Ksp AgCl = 1.8 E-10 Ksp PbCl2 = 1.6 E-5 Write a net ionic equation and corresponding Ksp expression for the dissolution of solid i. Silver Chloride (AgCl) ii.

How would you find molar mass of NiSO4?

The heat of combustion of propane, C3H8, is 2220 kJ/mol. The specific heat of copper is 0.385 J/g°C. How many grams of propane must be burned to raise the temperature of a 10.0 kg block of copper from 25.0°C to 65.

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors

A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for chemical reactions in living things is high or low / Explain your answer

20 Which statement describes a reversible reaction at equilibrium? (1) The activation energy of the forward reaction must equal the activation energy of the reverse reaction.

Count the total number of atoms in CaCO3: 2 3 4 5 6