Chemistry, 12.03.2021 03:20 kaleaweeks
(b)
25. Which equation is incorrectly balanced?
(a) 2 KNO3 4, 2 KNO2 + O2
(b) H2O2 H2O + O2
(c) 2 Na2O2 + 2 H2O - » 4 NaOH + O2
electrical energy
(d) 2 H,
2 H2 + O2
H2SO4
Answers: 2
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Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
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What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
Answers: 1
(b)
25. Which equation is incorrectly balanced?
(a) 2 KNO3 4, 2 KNO2 + O2
(b) H2O2 H2O...
(a) 2 KNO3 4, 2 KNO2 + O2
(b) H2O2 H2O...
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