Chemistry, 19.09.2021 09:00 jerenasmith77
Which of the following statements about metal elements is correct?
Question 14 options:
A)
A metal atom can take an electron from a non-metal atom.
B)
Metals tend to easily gain more valence electrons.
C)
Metals tend to easily lose their valence electrons.
D)
Metal elements are always heavier than non-metal elements.
Answers: 1
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Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09ร105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
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The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
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When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) โ 2co(g) k'p = 1.30 ร 1014 co(g) + cl2(g) โ cocl2(g) k''p = 6.00 ร 10โ3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) โ 2cocl2(g) 4.68 ร 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
Which of the following statements about metal elements is correct?
Question 14 options:
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