Chemistry, 30.06.2019 23:30 JellalFernandes
26. classify each chemical equation as a combination/synthesis , decomposition, single replacement, double replacement, or combustion. a. pb(s) + hg2so4(s) pbso4(s) +2 hg(l) b. nacl(aq) + agno3(aq) agcl(s) + nano3(aq) c. 2 h20(l)2 h2(g) + 02(g) 27. find the molar mass of nitric acid (hno3). 28. avogadro’s number refers to a. the maximum number of electrons that all of an atom’s energy levels can accommodate b. the number of protons and neutrons that can fit in the shells of an atom’s nucleus c. the number of particles in one mole of a substance d. the number of particles in exactly 1.0 g of a substance 29. how many moles of oxygen atoms are in 1.5 moles of co2? (sc2c) a. 1 mol b. 1.5 mol c. 2 mol d. 3 mol 30. what is the mass of 0.28 mol of iron ?
Answers: 1
Chemistry, 22.06.2019 06:00
Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
Answers: 1
Chemistry, 22.06.2019 07:10
Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4
Answers: 3
Chemistry, 22.06.2019 11:30
Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
Answers: 2
Chemistry, 22.06.2019 22:00
Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.
Answers: 2
26. classify each chemical equation as a combination/synthesis , decomposition, single replacement,...
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