How many significant figures are in 235.5

What is the SI unit used to measure the temperature of a substance?

A 1.59-g sample of a metal chloride, mcl2, is dissolved in water and treated with excess aqueous silver nitrate. the silver chloride that formed weighed 3.60 g. calculate the molar mass of m.

Calculate the mass of oxygen that combines with 20.4g of magnesium to form 34.0g of magnesium oxide

Four students measure the length of a paper clip whose actual length is 3.2 cm. whose measurements are precise but not accurate? A. Samuel: 2.7 cm, 2.7 cm, 2.7 cm, 2.8 cm B. Jose: 2.2 cm, 2.6 cm, 3.0 cm, 3.3 cm C. Nikita: 3.1 cm, 3.1 cm, 3.2 cm, 3.

Convert 3.65 moles to molecules (6.02 * 10^23 = 1 mole)

A pure gold ring with a volume of 1.79 cm^3 is initially at 17.4 ∘C. When it is put on, it warms to 28.5 ∘C. How much heat did the ring absorb? (density of gold = 19.3 g/cm^3)

A compound has the molecular formula C6H12O6. Which class of organic compounds does it belong to?

An elephant eats about 500 pounds of grass and leaves every day. there are 2 african elephants and 3 asian elephants living in the city zoo.

Which specific gas is most abundant in earth's atmosphere?

What is an isomer? How many possible isomers of hexane are there? What are the structural differences between these isomers?