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Chemistry

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Coty Bernier

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Cards in this guide (16)
How is stoichiometry used to calculate amount of product from amount of reactant

The coefficients give the ratio of moles reactant to moles product.

What is one way forces act on atoms

Forces cause bonds to form.

How are models affected by new evidence

Models are changed if they don't fit new data.

How do atoms show both unity and diversity

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

What determines the effect of a limiting reagent on the mass of a product

the amount of limiting reagent

What does a negative cell voltage mean

The reaction is nonspontaneous.

Which pairs of half-reactions would have a negative total reduction potential

Silver (Ag) reduced, gold (Au) oxidized.

What branch of chemistry studies the flow of electrons

Electrochemistry

How does the activity series of metals reflect the stability of metals

The metals highest on the list are the least stable.

Which electrode gets heavier in an electrolytic cell

The electrode where reduction occurs.

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)

What volume will 3.12 moles of SF6 gas occupy if the temperature and pressure of the gas are 141 degree celsius and 7.77 ATM

The volume is 13,64 L.

All life on earth is ultimately dependent on what

The sun for energy

Reduction occurs at which electrode

The electrode that removes ions from solution

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

What is the voltage of a galvanic cell made with silver Ag and Nickel Ni

1.05 V

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