Chemistry, 18.12.2019 00:31 skylerdemi1
Which of the following statements are correct for the thermite reaction.
check all that apply.
o the internal energy of the reactants is more than the internal energy of the products.
o the thermite reaction is endothermic.
o heat is absorbed from the surroundings.
o the enthalpy change for the system is negative.
o the internal energy of the system decreases.
Answers: 1
Chemistry, 22.06.2019 00:30
Which best describes why nh4+ can form an ionic bond with ci-?
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Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
Chemistry, 22.06.2019 12:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
Which of the following statements are correct for the thermite reaction.
check all that apply...
check all that apply...
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