Chemistry, 18.09.2021 08:40 giselabarajas24
Cho các chất sau: KOH , C2H5OH, HNO3 , CH3COOH, Ba(OH)2 , FeCl3 , C6H12O6, CuSO4 , Al2(SO4)3 , Mg(NO3)2 , H2CO3 , H2S, C12H22O11 .
a. Chất nào là chất điện li?
b. Chất nào là chất điện li mạnh? Chất điện li yếu?
c. Viết phương trình điện li của các chất điện li.
Answers: 2
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What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature
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Which type of fossil does this image depict?
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The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
Cho các chất sau: KOH , C2H5OH, HNO3 , CH3COOH, Ba(OH)2 , FeCl3 , C6H12O6, CuSO4 , Al2(SO4)3 , Mg(NO...
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