Chemistry, 04.06.2021 23:30 Jasten

Extend. For compounds, it is sometimes necessary to calculate the number of atoms of each element within a molecule Select Iron(II) chloride Note the image of the molecule A. How many Fe atoms are within a single FeCl2 molecule? B. How many Cl atoms are within a single FeCi: molecule? C. Use the nano balance to find the mass of each of these atoms: Mass of Fe atom. Mass of CI atom. D. Find the sum of their masses (1 Fe atom + 2 Cl atoms): E Place the FeCl: molecule on the balance. Is the sum of the masses of the individual atoms equal to the molecular mass of the compound? 9 Calculate Select Copper(I)oxide. Note the image of the molecule Place it on the balance A How many moles of copper would be needed to make 1 mole of Cu:0? B How many grams of copper would you need? Grams of oxygen? 13 C In addition to showing the ratio of atoms in a molecule, what else do the subscnpts in a fomula tell us?

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 05:00

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Answers: 1

Answer

Chemistry, 22.06.2019 21:00

Which activity is an innate behavior

Answers: 3

Answer

Chemistry, 23.06.2019 04:20

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.

Answers: 1

Answer

Chemistry, 23.06.2019 05:30

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?

Answers: 1

Answer

You know the right answer?

Extend. For compounds, it is sometimes necessary to calculate the number of atoms of each element wi...

Questions