Chemistry, 21.01.2022 17:30 MannyBanko1350
Consider a Si atom with a charge of -2 and a mass number of 28.
This type of ion is called alan
How many protons in the nucleus?
How many neutrons in the nucleus?
How many electrons in the electron cloud?
If this Si lost 2 electrons, what would the charge be?
Answers: 2
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Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.
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Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
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Chemistry, 22.06.2019 23:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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Chemistry, 22.06.2019 23:30
The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams
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Consider a Si atom with a charge of -2 and a mass number of 28.
This type of ion is called alan
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