Chemistry, 29.07.2019 17:00 IIHarmonyII
#1: which element has the same number of energy levels as bromine (br) and the same number of valence electrons as barium (ba)? a. potassium (k) b,. beryllium (be) c. cadmium (cd) d. calcium (ca) ***not too sure on this is it d. calcium (ca)
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Chemistry, 22.06.2019 19:10
Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .
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Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
Chemistry, 23.06.2019 00:30
Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
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Chemistry, 23.06.2019 00:30
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
Answers: 2
#1: which element has the same number of energy levels as bromine (br) and the same number of valen...
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