Give the number of significant figures in this number: 2.115

a. 4

b. 0

Phytic acid binds minerals so that they cannot be absorbed. phytic acid is found in

The products of a balanced neutralization reaction between HNO₃ and Ca (OH) ₂ are ... ? 1:CaNO₃ + H₂O 2:Ca (NO₃) ₂ + H₂O 3: CaNO₃ + 2H₂O 4: Ca (NO₃) ₂ + 2H₂O

Molecules of SiO2 would have a mass of 12.40 g

What is the name of the polyatomic in HCIO?* chloride chloride chlorate chlorite hypochlorite

Which of the following electromagnetic waves are listed in the correct order from longest wavelength to shortest wavelength? A. infrared, ultraviolet, visible B. visible, infrared, ultraviolet C. ultraviolet, visible, infrared D.

Assuming that air contains 78 percent N2, 21 percent O2 and 1 percent Ar, all by volume. How many molecules of each type of gas are present in 1.0 L of air at STP?

Two children are playing tag. Child A who is doing the chasing can run 100m in 24 seconds Child B is running away from child A and can run 64m in 21 seconds.

What ion does a base increase

What is the definition of Amplitude?

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals.