Chemistry, 03.01.2020 03:31, jaredsmailandst
question 1 (1 point)
saved
in the first reaction with epsom salt added to ammonia, what evidence was there for a chemical reaction taking place?
question 1 options:
color change
formation of a precipitate
increase in temperature
formation of bubbles
question 2 (1 point)
in the second reaction with iron and oxygen, what evidence for a chemical reaction was not observed?
question 2 options:
new substance formed
formation of a precipitate
color change
change in temperature
question 3 (1 point)
in the third reaction which gas is released when baking soda is added to vinegar?
question 3 options:
carbon dioxide
hydrogen gas
water
oxygen
question 4 (1 point)
in the fourth reaction with copper sulfate and sodium hydroxide, what is the precipitate that is formed?
question 4 options:
cu(oh)2
naoh
cuso4
na2so4
Answers: 2
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Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
Answers: 2
Chemistry, 22.06.2019 16:30, Kathryn014
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
Answers: 1
Chemistry, 22.06.2019 19:00, elizabethajih99
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
Answers: 1
Chemistry, 23.06.2019 03:30, cupcake3103670
Name 3 types of energy you see being used as you look around a classroom
Answers: 1
question 1 (1 point)
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in the first reaction with epsom salt added to ammonia, what...
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in the first reaction with epsom salt added to ammonia, what...
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