4questions:
how many moles of chlorine are present in 3 moles of mgci2?
6, 3, 5, or 4?
how many moles of h20 are needed to produce 1 mole of 02 in the following equation? 2h20-> 2h2+102 (not 102 it’s 1 singlet oxygen)
1, 2, 3, or 4?
how many moles of hydrogen atoms are present in 1 mole of h2 gas?
3, 2, 1, or 4?
how many atoms or molecules are in a mole?
1. 1
2. an 6.02 x 10
3. 2
4. 6.02 x 10^23
Answers: 3
Chemistry, 21.06.2019 16:00
Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle i need : ( asap i go it never mind
Answers: 2
Chemistry, 22.06.2019 03:30
Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
Answers: 1
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
Chemistry, 22.06.2019 14:30
100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)
Answers: 1
4questions:
how many moles of chlorine are present in 3 moles of mgci2?
6, 3, 5,...
how many moles of chlorine are present in 3 moles of mgci2?
6, 3, 5,...
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