How many moles of phosphoric acid are there in 658 grams of phosphoric acid?

Which element is oxidized in the following reaction: 2FeCl₂ + Cl₂→2FeCl₃ if Fe goes from + 2 to + 3 and Cl goes from 0 to - 2? Cl and Fe Fe Neither element Cl

A mass of 0.630 g of nacl is dissolved in 525 g of water. part a calculate the molality of the salt solution.

Which is a compound? A. Nickel and oxygen reacting chemically B. A spoon made of pure silver C. A sandwich with bread, meat, and cheese D. Long and short nails in a box

A student described two properties of a substance as shown. Properties of Substance Property Description C - A known mass of the substance gives off heat when it is burned. D - A substance can be stretched out to become a long wire.

An atom has four electrons in its valence shell. What types of covalent bonds is it capable of forming? Choose one answer. a. single and double only b. single, double, or triple c. two double bonds only d. four single bonds only

Which bond or interaction would be most difficult to disrupt when compounds are placed into water?

Which of the following is the correct name for the compound hgs? mercury sulfide mercury (i) sulfide mercury (ii) sulfide mercury monosulfide?

Which of these has the most impact on the apparent brightness of a star seen from Earth? Gravitational pull, temperature of star, distance from earth, earths orbital pattern

What are 6 abiotic factos from finding nemo?

Which of the following is an element? a. carbon monoxide gas (co) b. magnesium chloride salt (mgcl) c. hydrochloric acid (hcl) d. zinc metal (zn)