Use the equation to the right for questions 1-3 2MgO(s) 2Mg(s) + O2(g)
1. If 5.00 moles of MgO decompose, how many moles of oxygen gas should be produced?
2. How many moles of MgO are needed to produce 4.5 moles of oxygen gas?
3.If 6.50 moles of magnesium are produced, how many moles of oxygen will be produced?
Use the equation to the right for questions 4-5 N2(g) + 3H2(g) 2NH3(l)
4.Suppose 3.00 moles of N2 react with excess hydrogen. How many molecules of ammonia will be produced?
5.If a chemical company needs to produce 1.66 x 1024 molecules of NH3, how many moles of hydrogen gas would be required?
Answers: 3
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Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent
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Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 3
Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 22.06.2019 16:00
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Use the equation to the right for questions 1-3 2MgO(s) 2Mg(s) + O2(g)
1. If 5.00 moles of MgO deco...
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