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Chemistry, 22.06.2019 08:30
The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
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Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) β co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) β co2(g) k=1.363Γ10^69 b. 2 h2(g) + o2(g) β 2 h2o(g) k=1.389Γ10^80 c. 2co(g) + o2 (g) β 2 co2(g) k=1.477Γ10^90
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Chemistry, 22.06.2019 15:00
20 pts βΌοΈ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraftβs weight the greatest?
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Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
An atom with a mass number of 18 that contains 10 neutrons would have an atomic number of ....
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