Chemical reactions
occur only in living organisms
create and destroy atoms
only o...
Chemical reactions
occur only in living organisms
create and destroy atoms
only occur outside living organisms
produce new substances
2. what does the symbolin a chemical equation mean? heat is supplied to the reaction.
a catalyst is needed.
yields
precipitate
3. a skeleton equation does not show which of the following?
the correct formulas of the reactants and products
the reactants on the left, the products on the right
an arrow connecting the reactants to the products
the relative amounts of reactant
Answers: 1
Chemistry, 23.06.2019 11:00, randyg0531
Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
Chemistry, 23.06.2019 13:00, yay47
Me puede ayudar con estas preguntas 1. diga que estudia la quĂmica orgĂĄnica explica el nacimiento bioquĂmicas 2. cual es la importancia de la quĂmica orgĂĄnica. 3. determine las principales caracterĂsticas del hidrĂłgeno, oxigeno, nitrĂłgeno y azufre como elementos que constituyen los compuestos orgĂĄnicas. 4. elabore una tabla comparativa entre compuestas orgĂĄnicas e incaicos.
Answers: 1
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