<span>(4) a chemical change results in the formation of new chemical substances, breaking and creating bonds between atoms. (4) is the only option were you end with different chemical substances (carbon dioxide and water) to what you started with (glucose and oxygen).</span>
Answer:
D or the 4th one
Explanation:
mass is literally the measure of matter in an object which is essentially the weight or how much stuff there is.
PH of a solution is -ln[H3O+]
so,in case of A pH=3 or,-log[H3O+]=3 or,[H3O+]=10^-3
in case of B pH=6 pr,-log[H3O+]=6 or, [H3O+]=10^-6
so,hydronium ion concentration in solution A /the hydronium ion concentration in solution Z
=10^-3/10^-6
=1000
2)
Ca(OH)2+2 HNO3=Ca(NO3)2+2 H2O
so the answer is 2.
Answer:
<h2>Chemical equilibrium, however, is always the point at which there is no bias towards creating products or reactants. If the forward reaction rate and reverse reaction rate are equal, then there is no net change in concentration of the reactants or products. This makes them appear to be stable.</h2>
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Answer:
B and D
Explanation:
Bc it has more fat than the other
