Match the number with the correct type of reaction it is.
2 answers:
Answer:
1. → D, 2.→ A, 3. → B, 4. → C.
Explanation:
1.
Synthesis reaction is a type of chemical reaction in which two more reactants combines together to form a single product.
2.
Decomposition reaction is a type of chemical reaction in which a single compound break down into its constituting elements.
3.
Exchange reaction is a type of chemical reaction in which ions of reactant exchange their respective position with each other to form a new substance as a product.
4. ADP + P + E → ATP
Reversible reaction is a type of chemical reaction which reversed. In this reactants on reaction gives products and when products are made to react gives reactant as product.
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This problem has two parts; the first one asking for the concentration of NaBr given both its mass and volume and the second one asking for its volume given both mass and concentration. The answers turn out to be 0.158 M and 211 mL.
<h3>Molarity</h3>In chemistry, the use of units of concentration depends on both the substances to analyze and their amounts. In such a way, for molarity, one needs the following relationship between the moles of solute and volume of solution:
Thus, for the first part of the problem we first calculate the moles in 2.60 g of NaBr via its molar mass:
Next, we convert the 160. mL to L by dividing by 1000 in order to obtain 0.160 L to subsequently calculate the molarity:
Next, since the moles remain the same and for the second part we are asked for the volume given the concentration, one can solve for the volume so as to obtain:
That in milliliters turns out to be:
Learn more about molarity: brainly.com/question/10053901
Answer:
Explanation:
Oxygen has eight eletrons and six valence electrons, giving it the electron configuration of .