Ishwar S.

Decomposition of H2O2 was observed for several days. Initially the H2O2 was present at 0.50mol L-1 after 2 days the H2O2 was 0.25mol L-1 what is the rate of this reaction

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Chemistry Biochemistry Organic Chemistry

11/28/18

Entropy change question help

N2+3H2=2NH3 is an equilibrium reaction and is 7.07x10-4 mol L-1 at 623k.given that the enthalpy of the reaction is -92kjmole-1 what is the entropy change at this temperature. Note R= 8.134J k-1mol-1

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Chemistry

11/26/18

Chemistry college Help

How much heat (in kg) is required to raise the temperature of 1.75kg of ethanol from 25.0 degrees celsius to 75.0 degrees celsius? the specific heat of ethanol is 2.46 j/g K

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Algebra 1

11/25/18

The length of a rectangle is 3 less than twice the width. The perimeter is 114 cm. Find the length and width.

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Chemistry

11/24/18

Quinine was the first drug widely used to treat malaria, and it remains the treatment of choice for severe cases.

Quinine was the first drug widely used to treat malaria, and it remains the treatment of choice for severe cases. A solution prepared by dissolving 10.0 g of quinine in 50.0mL of ethanol has a... more

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Chemistry

11/24/18

Ethylene glycol [CH2(OH)CH2(OH)] is a common automobile antifreeze. It is water soluble and fairly nonvolatile (b.p. 197°C).

. Ethylene glycol [CH2(OH)CH2(OH)] is a common automobile antifreeze. It is water soluble and fairly nonvolatile (b.p. 197°C). Calculate (a) the freezing point and (b) the boiling point of a... more

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Answers •2

Organ Chemistry

11/19/18

Friedel craft acylation

Draw a detail mechanism for the formation of 1,1'-diacetylferrocene from ferrocene by using Friedel Craft acylation

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Science

11/19/18

To prepare 1-methylcycloheptanol, which of the following compounds could you use?

A. 1-methylcyclohepteneB. hepteneC. cyclohepteneD. none of these choices

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Maths Algebra

11/18/18

the sum of three consecutive even number is 72. Find the largest number.

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Chemistry

11/13/18

calculate the theoretical and percent yields of Ag2CO3

if 400 g of silver are reacted with an excess of magnesium (ii) carbonate, MgCO3, then magnesium and 0.00956 Kg of silver (i) carbonate are obtained. calculate the theoretical and percent yields of... more

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Factoring

11/12/18

How do you factor out the coefficient in 2.2x+4.4

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Math

11/12/18

The perimeter of a rectangular table is 470 centimeters. If the length of the table is 22 centimeters more than twice the width of the table, find the dimensions of the table.

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Answers •2

Orbital Diagrams And Electron Configurations

11/11/18

How many of the elements in the second row of the periodic table (Li through Ne) will have at least one unpaired electron in their electron configurations?

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Math Budgeting Grade 11

11/11/18

Kiko is saving for a trip to Montreal with her friends. She puts $2 a day into a glass jar on her night table.

a) Approximately how much will Kiko have saved in six months?b) How much will she have in one year

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An unknown gas has a molar mass of 201.3 gmol at 30∘C and 2.00 atm. What is its density?

A sample occupies 68.0 mL at 40∘C and 95 kPa. What pressure will it have if cooled to −20∘C while the volume remains constant?

Cameron is 5 years older than Hunter, who is 12 years older than Justin. The sum of their ages is 80. How old is Justin?

The perimeter of a rectangular MP3 player is 11 inches. The length is 1.5 inches longer than the width. What is the length of the MP3 player?

What is the length and width of the rectangle?

A piece of metal with the mass of 100 g is placed in a 50 mL graduate cylinder. the water rises from 15 mL to 35 mL mark. calculate the density of the metal

One number exceeds another by 6. The sum of the numbers is 34. What are the numbers?

There are 12 boys and 13 girl in math class. What percent of the class is boys?

What is the equilibrium constant

Ph of hcl using molarity

Ph question acid dissociation

Rate question of decomposition

Entropy change question help

Chemistry college Help

The length of a rectangle is 3 less than twice the width. The perimeter is 114 cm. Find the length and width.

Quinine was the first drug widely used to treat malaria, and it remains the treatment of choice for severe cases.

Ethylene glycol [CH2(OH)CH2(OH)] is a common automobile antifreeze. It is water soluble and fairly nonvolatile (b.p. 197°C).

Friedel craft acylation

To prepare 1-methylcycloheptanol, which of the following compounds could you use?

the sum of three consecutive even number is 72. Find the largest number.

calculate the theoretical and percent yields of Ag2CO3

How do you factor out the coefficient in 2.2x+4.4

The perimeter of a rectangular table is 470 centimeters. If the length of the table is 22 centimeters more than twice the width of the table, find the dimensions of the table.

How many of the elements in the second row of the periodic table (Li through Ne) will have at least one unpaired electron in their electron configurations?

Kiko is saving for a trip to Montreal with her friends. She puts $2 a day into a glass jar on her night table.

Still looking for help? Get the right answer, fast.

OR

Ishwar S.

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Emmersion

An unknown gas has a molar mass of 201.3 gmol at 30∘C and 2.00 atm. What is its density?

A sample occupies 68.0 mL at 40∘C and 95 kPa. What pressure will it have if cooled to −20∘C while the volume remains constant?

Cameron is 5 years older than Hunter, who is 12 years older than Justin. The sum of their ages is 80. How old is Justin?

The perimeter of a rectangular MP3 player is 11 inches. The length is 1.5 inches longer than the width. What is the length of the MP3 player?

What is the length and width of the rectangle?

A piece of metal with the mass of 100 g is placed in a 50 mL graduate cylinder. the water rises from 15 mL to 35 mL mark. calculate the density of the metal

One number exceeds another by 6. The sum of the numbers is 34. What are the numbers?

There are 12 boys and 13 girl in math class. What percent of the class is boys?

What is the equilibrium constant

Ph of hcl using molarity

Ph question acid dissociation

Rate question of decomposition

Entropy change question help

Chemistry college Help

The length of a rectangle is 3 less than twice the width. The perimeter is 114 cm. Find the length and width.

Quinine was the first drug widely used to treat malaria, and it remains the treatment of choice for severe cases.

Ethylene glycol [CH2(OH)CH2(OH)] is a common automobile antifreeze. It is water soluble and fairly nonvolatile (b.p. 197°C).

Friedel craft acylation

To prepare 1-methylcycloheptanol, which of the following compounds could you use?

the sum of three consecutive even number is 72. Find the largest number.

calculate the theoretical and percent yields of Ag2CO3

How do you factor out the coefficient in 2.2x+4.4

The perimeter of a rectangular table is 470 centimeters. If the length of the table is 22 centimeters more than twice the width of the​ table, find the dimensions of the table.

How many of the elements in the second row of the periodic table (Li through Ne) will have at least one unpaired electron in their electron configurations?

Kiko is saving for a trip to Montreal with her friends. She puts $2 a day into a glass jar on her night table.

Still looking for help? Get the right answer, fast.

OR

Ishwar S.

The perimeter of a rectangular table is 470 centimeters. If the length of the table is 22 centimeters more than twice the width of the table, find the dimensions of the table.