Chemistry, 09.12.2021 21:50 joelpimentel
In reaction A, each sodium atom gives one electron to a chlorine atom. In reaction B, an isotope of oxygen decays to form an isotope of nitrogen. Which statement best describes the energy that is released per gram by these reactions? Reaction A releases more energy than reaction B releases. Reaction B releases more energy than reaction A releases. Reaction A and reaction B release equal amounts of energy. Neither reaction A nor reaction B releases energy.
Answers: 2
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 13:30
Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.
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Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
In reaction A, each sodium atom gives one electron to a chlorine atom. In reaction B, an isotope of...
Mathematics, 08.11.2019 00:31