U have a lead ball with a mass of 420 g. The density of lead is 10.5 g/cm3. What is

the volume of the ball?

Which response accurately describes a balanced force? Question 7 options: A 25-N force acts on the left side of the marble at the same time as a 25-N force acts on the right side of the marble.

Which of the following statements is incorrect? Breakdown of covalent compounds are enhanced when the polarity of solute and solvent are the same. Surface area does not affect rate of dissolving.

The solubility of CaCl2 in water is 25g per 50 mL of H2O. How many grams of CaCl2 will dissolved to form a saturated solution in 10 mL of water? a. 150g b. 5g c. 50g d. 0.5g

When ammonium nitrate (nh4no3) explodes, the products are nitrogen, oxygen and water. when 40 grams of ammonium nitrate explode, 14 grams of nitrogen and 8 grams of oxygen form. how many grams of water form?

Which has a larger atom calcium or barium?

The terms vitrification, oxidation, water smoking, and flashing are all associated with: Select one: Select one: a. spanning openings with bricks or other masonry units. b. cleaning bricks after masons install them. c.

In the reaction Mg+Cl2=MgCl2 what should be the coefficient for Cl2

A 25.0-g sample of barium reacted completely with water. What is the equation for the reaction? How many milliliters of dry H2 evolved from 21C and 748mmHg?

What is the oxidation number of bromine in the HBr molecule?

Which statement about Clinton s impeachment is true? A. Clinton s impeachment was supported by the majority of Americans. B. The impeachment charges were based on fraud found during the Whitewater investigation. C.