We have 2.8 meters of rope. how many centimeters is that?

Write a sentence that descrices how to determine the number of moles of a compound in known mass of a compound if we know its molecular formula

Which is not a compound? A. carbon dioxide gas B. oxygen gas C. water D. silicon dioxide

Find the percent of water in magnesium sulfate x hexahydrate.

How far did you travel if you drove for 10 hours traveling at a speed of 50 mi/hr?

Which best describes a reaction in a state of equilibrium? A. The rates of the forward and reverse reactions are zero and the concentrations of products and reactants are equal. B.

What is the formula for lead (IV) sulfide

In solid KCl, which has the same solid state structure as NaCl (simple cubic unit cell), the distance between the ions is 314 pm. Calculate the length of the edge of the unit cell.

Planck's constant is approximately equal to which of the following? The product of the uncertainties in electron position and electron momentum. The sum of the uncertainties in electron position and electron momentum.

Which is the MOST accurate description about how the different types of feedback mechanisms work

Which of the following equations violates the law of conservation of mass? A) 2Al + 6HCl yields 2AlCl3 + 3H2 B) Na2C2O4 + Pb (NO3) 2 yields PbC2O4 + 2NaNO3 C) AgNO3 + LiCl yields AgCl + LiNO3 D) 3Ca + 2Cr (NO3) 3 yields 3Ca (NO3) 3 + 2Cr