Chemistry, 09.04.2020 01:20 lol15arec001
The mass of hydrogen is 1.6726 x 10–27 kg, and the mass of helium is 6.6465 x 10–27 kg. Given this, which of the following nuclear reactions would result in a decrease of total mass, and thus a release of energy, while keeping the same number of particles involved?
A. A helium nucleus breaks up into four hydrogen nuclei.
B. Four hydrogen nuclei combine into one helium nucleus
C. Two hydrogen nuclei combine into one helium nucleus.
D. A helium nucleus breaks up into two hydrogen nuclei
Answers: 1
Chemistry, 21.06.2019 17:30, kev71
You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?
Answers: 1
Chemistry, 22.06.2019 04:00, breannaasmith1122
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
Answers: 1
Chemistry, 22.06.2019 18:00, faithabossard
Which three statements represent the benefits of performing experiments using computer simulations?
Answers: 3
The mass of hydrogen is 1.6726 x 10–27 kg, and the mass of helium is 6.6465 x 10–27 kg. Given this,...
Mathematics, 29.04.2021 23:50
Mathematics, 29.04.2021 23:50
Mathematics, 29.04.2021 23:50
Mathematics, 29.04.2021 23:50
Mathematics, 29.04.2021 23:50
English, 29.04.2021 23:50
English, 29.04.2021 23:50