Chemistry, 27.10.2020 01:10 bullockarwen
Justin is making a snack. He toasts a piece of bread and spreads peanut butter and jelly on it. Then he cuts an apple into several slices and adds these to his plate. Next, Justin mixes a scoop of lemonade powder into a glass of water, mixes it, and adds ice.
How many chemical changes occurred in this scenario?
one
two
three
four
Answers: 2
Chemistry, 22.06.2019 03:00
Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
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Helium decays to form lithium. which equation correctly describes this decay?
Answers: 2
Justin is making a snack. He toasts a piece of bread and spreads peanut butter and jelly on it. Then...
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