answersLogoWhite

0

Chemistry

User Avatar

Gertrude Carroll

Lvl 10
βˆ™ 2021-11-02 18:34:53
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
No Reviews
Leave the first rating

Select your study mode:

Rate this Study Guide:

β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
Cards in this guide (32)
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

Which of these is determined by an empirical formula

the lowest whole number ratio of elements in a compound A+

A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask What will be the new gas pressure

106.4 mmHg

The ideal gas law measures pressure in

atmospheres A+

Laboratory data indicates a compound is composed of 43.3 percent sodium 11.3 percent carbon and 45.3 percent oxygen How many grams of each element could be presumed to be present

43.3 g Na, 11.3 g C and 45.3 g O

In the ideal gas law n represents

moles of gas particles

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.

Subtracting four from the period number of an inner-transition metal will indicate the number of shells

false

Choose the compound that has a molar mass of 18 grams

Water, H2O

What is The law that states The volume of a gas increases as its pressure decreases and the volume of a gas decreases as its pressure increases

Boyle's law.

Choose the empirical formula

A+..... All Of Those

The formula for sulfuric acid is HËÃSOËÅ A mole of sulfuric acid would have a mass of grams

It would have a mass of 98 grams.

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

A compound is found be 36.5 percent Na 25.3 percent S and 38.0 percent O What is its empirical formula

Na2SO3, Sodium Sulfite.

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

Vinegar contains acetic acid The formula for acetic acid is CHËÄCOOH One mole of acetic acid has a mass of grams

60

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

3MgCl2...

A baker uses the term one dozen to indicate a specific quantity 12 What quantity does the chemists term one mole indicate

6.02 x 10^23

When determining empirical formulas from laboratory data the mole ratio is used to determine what

subscripts

Calculate the number of moles in 27.50 grams CaCOËÄ Type the correct answer then press Enter

.2750

Using the periodic chart indicate the most common charge of magnesium

1

Calculate the empirical formula of a compound formed from 3 percent C 0.3 percent H and 96.7 percent you Which formula below correctly represents the empirical formula

Chi a+

A compound formed of 0.059 mol hydrogen and 0.94 mol oxygen has a molecular mass of 34.0 gmole What is the molecular formula of this compound

h2o2

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 law does the formula pv c

The formula PV = C is done by the Gas Law to measure pressure and volume's relationship.

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

As2O3

The formula for methane is CH4. Four moles of methane would have a mass of how many grams

Four moles of methane would have a mass of 64,12 grams.

The formula for ethyl alcohol is C2H5OH. The mass of 2 moles of ethyl alcohol would be how many grams

The mass of 2 moles of ethyl alcohol would be 92,14 grams.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N

Choose the best definition of STP

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

Related study guides

Chemistry

29 cards

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

The subscripts of a compound indicate

Which of these is determined by an empirical formula

The ideal gas law measures pressure in

➑️
See all cards
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
No Reviews

Chemistry

29 cards

The subscripts of a compound indicate

The molar mass of aluminum chloride is

Which of these is determined by an empirical formula

The ideal gas law measures pressure in

➑️
See all cards
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
No Reviews

Chemistry

26 cards

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

The subscripts of a compound indicate

The correct value for the universal gas constant is

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

➑️
See all cards
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
No Reviews

Chemistry

30 cards

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

How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen

The subscripts of a compound indicate

If 2 moles of sodium carbonate are used in the reaction how many grams of sodium chloride will be formed

➑️
See all cards
5.0
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
1 Review

Chemistry

24 cards

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

How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen

The subscripts of a compound indicate

If 2 moles of sodium carbonate are used in the reaction how many grams of sodium chloride will be formed

➑️
See all cards
β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…β˜†β˜…
No Reviews