Chemistry, 29.11.2021 23:40 lovemichelle638
What causes an electron in an atom to move to a higher energy level
a. it emits a specific amount of light energy
b. it absorbs chemical energy
c. it absorbs a specific amount of light energy
d. it releases chemical energy
Answers: 3
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Which element is the least metallic between cadmium, silver, zinc, or iron?
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Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 23.06.2019 05:40
Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.
Answers: 1
Chemistry, 23.06.2019 12:30
15) a substance used in manufacturing gasoline consists of finely divided platinum supported on an inert solid. suppose that the platinum is formed by the high temperature reaction between platinum (iv) oxide and hydrogen gas. the other product is water. a) write and balance the equation b) how many grams of hydrogen are needed to produce 1.0 g of platinum metal? c) how many moles of water are produced at the same time? how many grams? ( show work, .)
Answers: 1
What causes an electron in an atom to move to a higher energy level
a. it emits a specific amount...
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