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Chemistry

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Christelle Borer

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โˆ™ 2021-11-03 18:34:44
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Cards in this guide (25)
How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

Four (4) moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen.

The subscripts of a compound indicate

the ratio of elements

Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

62 grams a+

What is a double replacement equation is composed of

A double replacement equation is composed of two compounds reacting to form two different compounds.

The ideal gas law measures pressure in

atmospheres A+

Omar was recording his preliminary data before beginning an experiment on gas behavior The room temperature was 298K and atmospheric pressure was 1 ATM Omar used an acceptable abbreviation of thes

STP

Which of these answers best defines climax

the turning point of the story at which the most action occurs

The molar mass of a mole of lead is approximately grams
Choose the correct formula for finding percent of yield

(practical yield/theoretical yield) x 100

Sophie was asked to distinguish gases from solids and liquids Which of the following answers would be most correct

Gases are the least dense, have the greatest particle energy, and have no specific shape.

This term indicates that a problem is asking how much of a product will be made by a reaction

theoretical yeild.

What term is defined as the number of moles of solute divided by the number of liters of solution

Molarity, abbrev. M, units: mol/L, mmol/ml

An unknown sample with a molecular mass of 180.0g is analyzed to yield 40 percent C 6.7 percent H and 53.3 percent O What is the empirical formula and the molecular formula of this compound

ch2o and c6h12o6

The elements in an imaginary compound exist in the mole ratio of 1 3 1 for elements XY What will the empirical formula for the compound be

X4y3

Type the capital letter that represents this equation after it has been correctly balanced Press Enter

3MgCl2...

Calculate the number of moles in 27.50 grams CaCOร‹ร„ Type the correct answer then press Enter

.2750

Convert this temperature to the Kelvin scale -146รด C

To convert any temperature to the kelvin scale, when its in oC add on 273.

so in answer to your question, -146oC = 127K

Convert this temperature to the Kelvin scale 0รด C

1

The formula for sugar is C12H22011 how many moles of carbon are in 2 moles of sugar

If there are 2 moles of sugar. and 12 atoms of carbon per sugar molecule then there will be 24 moles of carbon atoms.

What type of conflict is illustrated by this scenario A man questions his religious teachings and seeks the meaning of life

individual vs. the universe

Which is the correct set of coefficients for the equation below na2cr2o7 plus alpo4 na3po4 plus al2cr2o73

3, 2, 2, 1

Copper will react with silver nitrate to form copper nitrate and silver From this reaction 127.1 grams of copper will produce how many grams of silver

431.5 grams

The formula for potassium dichromate is How many grams of oxygen will be in 2 moles of potassium dichromate

224 grams of oxygen are in 2 moles of potassium dichromate.

A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas below

As2O3

Choose the best definition of STP

a term that indicates a combined measurement of standard atmospheric pressure and room temperature. A+

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

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Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

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Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

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Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

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How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

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Temperature is used to increase the volume of gas

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