Chemistry, 28.01.2020 15:50 kdcloyd88191
Elements occur in a number of isotopic forms. in this problem, you will learn about the notation used to distinguish different isotopes. how many protons z and how many neutrons n are there in a nucleus of the most common isotope of silicon, 28/14si?
Answers: 2
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=β7061 kj molβ1.)
Answers: 3
Chemistry, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 1
Chemistry, 22.06.2019 19:10
Ξu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .
Answers: 2
Chemistry, 22.06.2019 19:20
The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
Answers: 1
Elements occur in a number of isotopic forms. in this problem, you will learn about the notation use...
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