Chemistry, 17.10.2019 23:20 plshelpme53
How does the law of conservation of mass apply to this reaction: c2h4 + o2 → h2o + co2 ?
a. only the oxygen needs to be balanced. there are equal numbers of hydrogen and carbon.
b. the law of conservation of mass has already been applied. there is an equal number of each element on both sides of the equation.
c. each element needs to be balanced.
d. the equation needs to be balanced. there are fewer oxygen atoms in the equation than hydrogen or carbon.
Answers: 3
Chemistry, 22.06.2019 16:30, danbelucio
Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory
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Chemistry, 22.06.2019 20:10, jakhunter354
The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)
Answers: 3
How does the law of conservation of mass apply to this reaction: c2h4 + o2 → h2o + co2 ?
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