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Chemistry

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Madyson Hartmann

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Cards in this guide (15)
How many moles of NaCl are formed from the reaction between 1.4 moles of HCl and 2.8 moles NaOH

1.4 moles - the HCl is the limiting ingredient

What is the theoretical yield of a reaction

The amount of product that is possible in a reaction.

How is stoichiometry used

Stoichiometry is used to find the molar ratios between the reactants of a chemical reaction.

How is stoichiometry used to calculate the amount of product produced

Stoichiometry relates moles of reactant to moles of product, so if you have the amount of reactant in the equation, you can calculate the amount of product produced.

How do atoms show both unity and diversity

There are relatively few atoms, but they make many molecules.

How do periodic trends illustrate stability and change in chemistry

Periodic trends illustrate how some elements are very reactive while others are stable.

What conditions will cause a redox reaction to be nonspontaneous

The sum of the voltages of the oxidatiin and reduction half-reactions is negative.

What happens to the anode in an electrochemical cell

it loses mass

What happens at the cathode in an electrolytic cell

Reduction occurs at the cathode in an electrolytic cell.

Which of the following best describes a galvanic cell

A battery containing a spontaneous redox reaction

What is the average atomic mass of an element with isotopes a b and c

(mass of A) x (%of A) + (mass of B) x (% of B) + (mass of C) x (% of C)

Which of the following statements describes electromagnetism

Magnetism can create electricity, and electricity can create magnetism.

In the reaction MgCI2 plus 2KOH MgOH2 plus 2KCI how many moles of MgOH2 are produced for every mole of MgCl2

The answer is one mole.

In the reaction mgcl2 plus 2koh mgoh2 mgoh2 plus 2kcl if 3 moles mgcl2 are added to 4 moles koh what determined how much mgoh2 is made

The amount of Koh

Which small economy car has the best fuel efficiency

The Honda Insight Hybrid and Civic Hybrid both get 40 mpg CIty according to the government. The Civic Hybrid gets 45 highway and the Insight Hybrid gets 43 highway.

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