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
Chemistry, 22.06.2019 07:30
Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
Answers: 1
Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
Answers: 1
Chemistry, 22.06.2019 14:30
Chemistry worksheet - i am not sure what they are asking for exactly?
Answers: 1
Chemistry, 22.06.2019 17:00
The arrangement of particles is most ordered in a sample of
Answers: 1
question 1 (1 point)
saved
in the first reaction with epsom salt added to ammonia, what...
saved
in the first reaction with epsom salt added to ammonia, what...
Physics, 09.10.2019 10:30
Mathematics, 09.10.2019 10:30
History, 09.10.2019 10:30
Health, 09.10.2019 10:30
Social Studies, 09.10.2019 10:30
Health, 09.10.2019 10:30
Biology, 09.10.2019 10:30
Mathematics, 09.10.2019 10:30
English, 09.10.2019 10:30