J.R. S.

Science

03/18/17

Why are bubbles produced ? a) Oxygen is produced b) the mixture is boiling c) Carbon dioxide is producen d)the bubbles are produeced by the mixture.

Thank u :)

Follows • 2

Answers •1

Other

03/18/17

i need help with my homework. here is the question. the topic is Thermal properties of matter. the questions: 1) An icecream has a mass of 150g. if the specifi

i need help with my homework. here is the question. the topic is Thermal properties of matter. the questions: 1) An icecream has a mass of 150g. if the specific latent heat of fusion of ice is 340... more

Follows • 2

Answers •1

..............................

03/18/17

what test to use to avoid type-1 error?

I have some clarifications regarding using t-test. My study is a comparative study where I've collected data from two different countries. In order to compare the data, I am using t-test. However,... more

Follows • 2

Answers •1

Division With Remainders

03/17/17

26,942 dividend by 900

I don't understand what to do with the remainder. I have to take the military entance exam without a calculator and never seemes to care on Highschool please help

Follows • 3

Answers •2

Moles

03/17/17

What mole fraction of O2 is converted to O3 by the air purifier?

It is claimed that one such system generates 4.00g O3 per hour from dry air passing through the purifier at a flow of 5.00 L/min. If one liter of indoor air contains .280g of O2. The ozone... more

Follows • 2

Answers •1

Subsitution Equation

03/17/17

8th grade math problem 8

Solve the system linear equation by using the substitution method: −7x − 2y = −13x − 2y = 11

Follows • 2

Answers •1

Algebra

03/17/17

The half-life of strontium-90 is 28 years. How long will it take a 64 mg sample to decay to a mass of 16 mg?

Answer:_________ Years m=c(1/2)^t/h

Follows • 3

Answers •2

Chemistry High School Chemistry Dealing With Gas Laws

03/17/17

What volume will be occupied if the gas is moved to a new area with 2.00 ATM and 88 degrees C?

a gas at capital S capital T capital P occupies a volume of 100. ml. What volume will be occupied if the gas is moved to a new area with 2.00 ATM and 88 degrees C? Capital S capital T capital P... more

Follows • 2

Answers •1

Other

03/17/17

How much of a radioactive kind of technetium will be left after 18 hours if you start with 64 grams and the half-life is 6 hours

I need help with this answer because im not good with word problems.

Follows • 2

Answers •1

Chemistry

03/15/17

please help me answering this question. Thank you

A mylar balloon is filled with helium gas to a pressure of 107 kPa when the temperature is 22°C. If the temperature changes to 45°C, what will be the pressure of the helium in the balloon?

Follows • 3

Answers •1

Chemistry Chemical Reactions Chemical Reactions, Recrystallization

03/15/17

Distilled water with different synthetic dissolved salt in it.

HelloI have a liquid mixture in a bottle containing different synthetic substances dissolved from their salt forms (i.e. lidocaine hydrochloride, anhydrous caffeine). These compounds are dissolved... more

Follows • 3

Answers •2

Standard Form

03/15/17

what is y-2/3x-2?

😤🙄🙄😫😫

Follows • 2

Answers •1

Helpful Tips

03/15/17

A 2 is in the one's place. The number is between 742 and 762. What is the number?

I know that 2 is in 742 & 762 is in the one's place but I do not comprehend what is the number?

Follows • 2

Answers •1

Other

03/15/17

What is the total fraction of the batter both mixers can mix in one hour when working together?

A bakery has two mixers, a large one and a small one. In one hour the large mixer can mix two fifths of the batter needed for the day and the smaller mixer can mix two ninths. What is the total... more

Follows • 2

Answers •1

Aromatherapy

03/15/17

Hydrosols are not therapeutic and do not contain active ingredients

It's about essential oils

Follows • 2

Answers •1

Other

03/15/17

What was the total budget amount for the Little League team that season?

The local Little League team spent a total of $756 for the season on travel expenses. This accounted for 18% of the total budget. What was the total budget amount for the Little League team that... more

Follows • 2

Answers •1

Word Problem

03/15/17

88-octane gas, only has 86- and 91- octane gas. The rating is % of isooctane. How much of each type should be mixed to produce 200,000 gallons of 88-octane gas?

This is a question I need help with because I am having trouble with these types of word problems and confusing me seriously .Thank You

Follows • 2

Answers •1

Dna

03/15/17

Uracil is always paired with adenine in double standed dna

I dont know the answer to this and i need it for biology. I dont know what pairs up with adenine.

Follows • 2

Answers •1

Chemistry

03/14/17

Calculate the pH of 0.45 M K2CO3

What are the concentrations of HCO3- and H2CO3 in the solution? H2CO3 is a diprotic acid with Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11.

Follows • 2

Answers •1

Chemistry

03/14/17

hat are the initial and final pH values? What would be the pH if the same amount of HCl solution were added to 175 mL of pure water?

Suppose 90.00 mL of 0.200 M HCl is added to an acetate buffer prepared by dissolving 0.100 mol of acetic acid and 0.110 mol of sodium acetate in 0.100 L of solution

Follows • 2

Answers •1

Chemistry

03/14/17

By how much will the pH change if 0.025 mol of HCl is added to 1.00 L of the buffer that contains 0.15 M HC2H3O2 and 0.25 M C2H3O2–?

Use Ka = 1.8 × 10–5 for HC2H3O2.

Follows • 2

Answers •1

Chemistry

03/14/17

ou take a tied balloon and squeeze it between your hands, decreasing the volume. Explain what happens to the pressure of gas inside of the balloon and WHY.

Please help me answering this question. Thank you

Follows • 3

Answers •2

Other

03/14/17

ou take a tied balloon and squeeze it between your hands, decreasing the volume. Explain what happens to the pressure of gas inside of the balloon and WHY.

Please help me anseering this question. Thank you

Follows • 2

Answers •2

Chemistry

03/14/17

What are the 4 assumptions made about the behavior of ideal gases made by the kinetic molecular theory?

please help me answering this question. Thank you

Follows • 2

Answers •1

Chemistry

03/14/17

Explain what happens to the particles of a substance, in terms of motion and attraction to each other, as it melts from a solid into a liquid.

could you please help me answering this question. Thank you

Follows • 2

Answers •1

Why are bubbles produced ? a) Oxygen is produced b) the mixture is boiling c) Carbon dioxide is producen d)the bubbles are produeced by the mixture.

i need help with my homework. here is the question. the topic is Thermal properties of matter. the questions: 1) An icecream has a mass of 150g. if the specifi

what test to use to avoid type-1 error?

26,942 dividend by 900

What mole fraction of O2 is converted to O3 by the air purifier?

8th grade math problem 8

The half-life of strontium-90 is 28 years. How long will it take a 64 mg sample to decay to a mass of 16 mg?

What volume will be occupied if the gas is moved to a new area with 2.00 ATM and 88 degrees C?

How much of a radioactive kind of technetium will be left after 18 hours if you start with 64 grams and the half-life is 6 hours

please help me answering this question. Thank you

Distilled water with different synthetic dissolved salt in it.

what is y-2/3x-2?

A 2 is in the one's place. The number is between 742 and 762. What is the number?

What is the total fraction of the batter both mixers can mix in one hour when working together?

Hydrosols are not therapeutic and do not contain active ingredients

What was the total budget amount for the Little League team that season?

88-octane gas, only has 86- and 91- octane gas. The rating is % of isooctane. How much of each type should be mixed to produce 200,000 gallons of 88-octane gas?

Uracil is always paired with adenine in double standed dna

Calculate the pH of 0.45 M K2CO3

hat are the initial and final pH values? What would be the pH if the same amount of HCl solution were added to 175 mL of pure water?

By how much will the pH change if 0.025 mol of HCl is added to 1.00 L of the buffer that contains 0.15 M HC2H3O2 and 0.25 M C2H3O2–?

ou take a tied balloon and squeeze it between your hands, decreasing the volume. Explain what happens to the pressure of gas inside of the balloon and WHY.

ou take a tied balloon and squeeze it between your hands, decreasing the volume. Explain what happens to the pressure of gas inside of the balloon and WHY.

What are the 4 assumptions made about the behavior of ideal gases made by the kinetic molecular theory?

Explain what happens to the particles of a substance, in terms of motion and attraction to each other, as it melts from a solid into a liquid.

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

OR

J.R. S.

IXL

Rosetta Stone

Education.com

TPT

Vocabulary.com

ABCya

SpanishDictionary.com

Inglés.com

Emmersion