Chemistry, 04.02.2020 10:03 rosyposy43
The image above shows the nucleus of a nitrogen atom. how can the atomic number of nitrogen be determined?
a. count the humber of neutrons
b. count the number of protons
c. add the number of protons and neutrons
d. count the number of electrons
Answers: 3
Chemistry, 21.06.2019 14:30, aaron2113
An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms
Answers: 3
Chemistry, 22.06.2019 02:30, carsonjohnsonn
If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms
Answers: 1
Chemistry, 22.06.2019 03:40, 19thomasar
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
The image above shows the nucleus of a nitrogen atom. how can the atomic number of nitrogen be deter...
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