Chemistry, 18.05.2021 22:50 jordantay208
A scientist wants to learn more about a set of stars in the night sky. What should he or she do to learn if it's a pattern or not?
A. Read a magazine on stars
B. Research stars on a computer
C. Make observations of the stars for one night
D. Make observations of the stars every night for two weeks
Answers: 1
Chemistry, 21.06.2019 21:50
H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?
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Chemistry, 22.06.2019 02:30
List four observations that indicate that a chemical reaction may be taking place
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Chemistry, 22.06.2019 04:20
Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
A scientist wants to learn more about a set of stars in the night sky. What should he or she do to l...
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