Chemistry, 29.10.2019 21:31 sierravick123owr441
The label of a gas cylinder has come off in your laboratory. you know that only one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen, or nitrogen. to find out, you evacuate a 5-liter flask, seal it and weigh it, then let gas from the cylinder flow into it until the gauge pressure equals 1.00 atm. the flask is reweighed, and the mass of the added gas is found to be 13.0 g. room temperature is 27 °c, and barometric pressure is 1.00 atm. which gas is it? state your assumptions.
Answers: 3
Chemistry, 21.06.2019 19:30
Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.
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Chemistry, 22.06.2019 01:10
Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen
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Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
The label of a gas cylinder has come off in your laboratory. you know that only one species of gas i...
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