Chemistry

Chemistry, 30.07.2019 23:30, taytaycola223

How to determine the number of moles in a substance

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Chemistry, 28.06.2019 21:00, suiani8

For which of the following conversions does the value of the conversion factor depend upon the formula of the substance? a) moles of any substance to number of particles b) volume of gas (stp) to moles c) mass of any substance to moles d) density of gas (stp) to molar mass

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Chemistry, 29.06.2019 14:10, mkay78

(3 points) a second order chemical reaction involves the interaction (collision) of one molecule of a substance with one molecule of another substance to produce on molecule of a new substance this is denoted by +→ the rate of this reaction is modeled by the differential equation =−− where is the amount of substance at time and > 0 are the initial amounts of substances and respectively. suppose that 18 moles of substance and 12 moles of substance react together. if =0.022 1/(mol⋅sec) and )=0, find the amount of time until there are 10 moles of substance

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Chemistry, 22.07.2019 21:40, kseniyayakimov

Na chemical reaction, exactly 2 mol of substance a react to produce exactly 3 mol of substance b. 2a⟶3b how many molecules of substance b are produced when 27.6 g of substance a reacts? the molar mass of substance a is 27.8 g/mol. step 1: convert the mass of a to moles. moles of a: mol step 2: convert the number of moles of a to the number of moles of b. moles of b: mol step 3: convert the number of moles of b to molecules of b. molecules of b:

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Chemistry, 29.10.2019 17:31, tasa123l14

Section: 6.222) in the reaction shown, what is the mole ratio that would be used to determine the number ofmoles of h2 that would be produced when 3.5 moles of aici3 are produced? 3.smols ali1 c1: 32 al + 6 hcl → 2 aici3 + 3 h2a1 26.98 el 35.45a) 2 moles a3 moles hc12 moles aic 13b) 3 moles h23.5 moles aic 13c) 3 moles h23 moles h2d) 2 moles aic 13

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