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3 years ago

Which of the following reactant pairs will not react together to produce a reaction? Rb + CaCl2 K + H2O Al + CoPO4 Ni + FeO

Chemistry

2 answers:

Firdavs [7]3 years ago

7 0

i think it might be Ni + FeO

elena-s [515]3 years ago

7 0

If you guys are still wondering which one is right, the answer is Ni + FeO

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Why does naphthalene have a higher melting point than biphenyl?

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3 years ago

What is measured by the reaction rate? the probability that a reaction will occur the speed at which products form the time requ

Cloud [144]

Answer: the speed at which products form

Explanation:

Rate of a reaction is defined as the speed at which a chemical reaction proceeds. It is often expressed in terms of the concentration of a reactant that is consumed in a unit time or the concentration of a product that is formed in a unit of time.

For a general reaction : $A\rightarrow B$

$Rate=-\frac{d[A]}{dt}$

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3 years ago

HELP ! 85g of NiCl2 dissolves in 350ml of H2O. What is the Molarity? Show your work

trapecia [35]

Answer:

1.874 M.

Explanation:

Molarity is defined as the no. of moles of a solute per 1.0 L of the solution.

M = (no. of moles of solute)/(V of the solution (L)).

∴ M = (mass/molar mass)of NiCl₂/(V of the solution (L)).

∴ M = (mass/molar mass)of NiCl₂/(V of the solution (L)) = (85.0 g / 129.59 g/mol)/(0.35 L) = 1.874 M.

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3 years ago