J.R. S.

I. They have a variable shape. II. They are compressible III. The have a constant volume IV. They have a high viscosity I and II I, II, and III I and IV II and III All of... more

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Chemistry Practice Questions

08/20/18

Decreasing the temperature of an ideal gas at a constant mass will cause which of the following to decrease?

I: Molar mass II: The volume of the gas III: The density of the gas IV: The average kinetic energy of the gas V: The pressure of the gas II, III, and IV III, IV, and V I, II, and... more

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Chemistry Practice Questions

08/20/18

Decreasing the pressure of an ideal gas at a constant mass and temperature will cause which of the following to increase?

I: The molar mass of the gas II: The volume of the gas III: The density of the gas IV: The average kinetic energy of the gas I and II II only II and III I and IV I, II, and IV

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Chemistry Practice Questions

08/20/18

A gas sample is confined in a 1 L container. Which of the following will occur if the temperature is increased?

I: The kinetic energy will increase II: The pressure will decrease III: The density of the gas will decrease. IV: The molecular motion will increase. I only II only II and... more

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Chemistry

08/20/18

A gas occupies 500 mL at a pressure of 100 kPa.

What will its volume be at 200 KPa if the temperature remains constant?

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Chemistry

08/20/18

A 3 L sample of noble gas is stored in a container with a constant pressure.

If the temperature (in K) of the gas is tripled, what is the new volume of the gas, assuming the container is flexible? a) 3 L b) 6L c) 9L d) 1.5 L e) 1 L

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Chemistry

08/20/18

When a sample of a gas at a pressure of 200 kPa and constant volume is heated from 30°C to 80°C the pressure must be multiplied by

a) 30/80 b) 80/30 c) 200/80 d) 303/353 e) 353/303

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Organic Chemistry

08/20/18

Skeletal structure of organic compounds

What are the skeletal structure of following compoundsA) CH3CH2C(CH2)2CH3B) C(CH3)3(CH2)3CH3

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Biology

08/20/18

Name the molecular machine that breaks apart proteins into short peptides and individual amino acids

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Physical Science

08/20/18

which number should be placed in the blank of the equation balanced 3 H2 + N2 --- __ Nh3

what number goes in the blank

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Sejkby

08/20/18

When half of a number is decreased by 24 the result is 95 what is the number

This is algebra

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Counting Coins

08/19/18

what is a quatuar and 4 dimes and 34 pennies

i need help fiuguring out how to count this change can you guess help please

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7th Pre Ap Math

08/19/18

a cookie shop offers 6 varieties of cookies and bakes 5 dozen of each kind every day from Monday through Friday. How many cookies are baked in four weeks?

the answer says 1800 cookies but I don't agree. I think it is 7200 cookies.

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Maths

08/19/18

I have 50 cups , 3 at a quarter full and 47 cups are half full. How many mls is that?

i need help quickly

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Chemistry

08/18/18

In the texile industry, chlorine is used to bleach fabrics

Any of the toxic chlorine that remains after the bleaching process is destroyed by reacting it with a sodium thiosulfate solution, Na2S2O3... more

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Nursing

08/18/18

Effects from several hypoglycemia episodes

If someone has had several hypoglycemia episodes yet not in a row-a few years ago then again years later-the last one resulting in passing out can there be any effects to the brain from this?

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Measuerment Coversion

08/18/18

1-inch stack of $100 bills contains 250 bills. If 16.5 trillion dollars were stacked in $100 bills how many feet high would the stack be?

How many miles long would the stacks reach?

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Chemistry

08/17/18

Write the balanced chemical equation for the reaction below (and remember to include states), and indicate the type of reaction (S, D, C, SD, DD)

Write the balanced chemical reaction for: chromium is added to aqueous iron (III) chloride I think it’s 2Fe + 3CrCl2 = 2FeCl3 + 3Cr Reaction type: single replacement Plz check my... more

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Chemistry

08/17/18

Which equation must be used to determine the mass of solid formed in a precipitation reaction?

1. Balanced ionic equation 2. Balanced net ionic equation 3. Balanced molecular equation 4. Two of the above can be used 5. All of the above can be used I predict it's all of... more

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Chemistry, Homework

08/17/18

Formalin is an aqueous solution that is made up by dissolving formaldehyde gas, HCHO(g), in water.

A saturated formalin solution has a concentration of about 35.92% (m/v). This concentration is used to preserve biological specimens. Calculate the molar concentration of 35.92% (m/v) formalin.... more

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Chemistry Helpneeded

08/17/18

A commercial refrigeration unit accidentally releases (6.42*10^1) mL of ammonia gas at SATP. Determine the mass and number of molecules of ammonia gas released.

Please show all your work. Note: your answer is assumed to be reduced to the highest power possible

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A sample of refrigeration gas has a volume of 405 mL at a pressure of 1.50 atm and a temperature of 28°C.

If gas is $2.19/gal and Brittney spends $65.70/month, how much gas does she buy in liters/day?

If a runner can run 2.5 mi in 18 minutes, how many meters can they run in 70 seconds?

If a person takes a daily multivitamin and they consume 200 mg of calcium/day, how much is that consumption rate in kg/year?

Which of the following are characteristics of gases?

Decreasing the temperature of an ideal gas at a constant mass will cause which of the following to decrease?

Decreasing the pressure of an ideal gas at a constant mass and temperature will cause which of the following to increase?

A gas sample is confined in a 1 L container. Which of the following will occur if the temperature is increased?

A gas occupies 500 mL at a pressure of 100 kPa.

A 3 L sample of noble gas is stored in a container with a constant pressure.

When a sample of a gas at a pressure of 200 kPa and constant volume is heated from 30°C to 80°C the pressure must be multiplied by

Skeletal structure of organic compounds

Name the molecular machine that breaks apart proteins into short peptides and individual amino acids

which number should be placed in the blank of the equation balanced 3 H2 + N2 --- __ Nh3

When half of a number is decreased by 24 the result is 95 what is the number

what is a quatuar and 4 dimes and 34 pennies

a cookie shop offers 6 varieties of cookies and bakes 5 dozen of each kind every day from Monday through Friday. How many cookies are baked in four weeks?

I have 50 cups , 3 at a quarter full and 47 cups are half full. How many mls is that?

In the texile industry, chlorine is used to bleach fabrics

Effects from several hypoglycemia episodes

1-inch stack of $100 bills contains 250 bills. If 16.5 trillion dollars were stacked in $100 bills how many feet high would the stack be?

Write the balanced chemical equation for the reaction below (and remember to include states), and indicate the type of reaction (S, D, C, SD, DD)

Which equation must be used to determine the mass of solid formed in a precipitation reaction?

Formalin is an aqueous solution that is made up by dissolving formaldehyde gas, HCHO(g), in water.

A commercial refrigeration unit accidentally releases (6.42*10^1) mL of ammonia gas at SATP. Determine the mass and number of molecules of ammonia gas released.

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