Wednesday
July 29, 2015

Posts by Dakota


Total # Posts: 244

Connexus
Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial?
April 22, 2015

chem
If concentration of Mg 2+ in blood plasma is 3mEq/L , calculate how many milligrams of Mg 2+ are in 220mL of blood.
March 26, 2015

chem
A solution is prepared by dissolving 0.87mol of MgCl 2 in 0.40kg of water. How many moles of ions are present in solution? What is the change in the boiling point of the aqueous solution?
March 26, 2015

chem
When 0.5mol of a certain ionic substance is dissolved in 1.0kg of water, the freezing point of the resulting solution is -3.72 ∘ C .(Freezing point depression of water is -1.86 kgwater molsoluteparticles ). How many ions does the substance give when it dissolves?
March 26, 2015

chem
What is the total anion concentration (in mEq/L ) of a solution that contains 4.0mEq/LNa + , 13.0mEq/LCa 2+ , and 3.0mEq/LLi + ?
March 26, 2015

chem
How many milliliters of a 0.82M HCl solution do you need to obtain 0.0038mol of HCl ?
March 26, 2015

chem
How many grams of BaSO 4 will be formed?
March 26, 2015

chem
How many milliliters of 0.170M BaCl 2 are needed to react completely with 45.0mL of 0.260M Na 2 SO 4 ?
March 26, 2015

chem
A very flexible helium-filled balloon is released from the ground into the air at 20. ∘ C . The initial volume of the balloon is 5.00 L , and the pressure is 760. mmHg . The balloon ascends to an altitude of 20 km , where the pressure is 76.0 mmHg and the temperature is...
March 18, 2015

chem
Using the same sample of gas (P 1 = 615torr , T 1 = 10 ∘ C ), we wish to change the pressure to 6150torr with no accompanying change in volume or amount of gas. What temperature T 2 , in Celsius, is needed to reach this pressure?
March 18, 2015

chem
A sample of ideal gas is in a sealed container. The pressure of the gas is 615torr , and the temperature is 10 ∘ C . If the temperature changes to 56 ∘ C with no change in volume or amount of gas, what is the new pressure, P 2 , of the gas inside the container?
March 18, 2015

chem
What Celsius temperature, T 2 , is required to change the volume of the gas sample in Part A (T 1 = 19 ∘ C , V 1 = 1.47×103L ) to a volume of 2.94×103L ? Assume no change in pressure or the amount of gas in the balloon.
March 18, 2015

chem
A sample of gas in a balloon has an initial temperature of 19 ∘ C and a volume of 1.47×103L . If the temperature changes to 63 ∘ C , and there is no change of pressure or amount of gas, what is the new volume, V 2 , of the gas?
March 18, 2015

chem
If the volume of the original sample in Part A (P 1 = 272torr , V 1 = 32.0L ) changes to 76.0L , without a change in the temperature or moles of gas molecules, what is the new pressure, P 2 ?
March 18, 2015

chemistry
A sample of ideal gas at room temperature occupies a volume of 32.0L at a pressure of 272torr . If the pressure changes to 1360torr , with no change in the temperature or moles of gas, what is the new volume, V 2 ?
March 18, 2015

chemistry
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa ). It is often convenient to know ...
March 18, 2015

chemistry
The pressure in car tires is often measured in pounds per square inch (lb/in. 2 ), with the recommended pressure being in the range of 25 to 45 lb/in. 2 . Suppose a tire has a pressure of 45.0lb/in. 2 . Convert 45.0lb/in. 2 to its equivalent in atmospheres.
March 18, 2015

CHEMISTRY
How many moles of methane gas, CH 4 , are in a 1.00×103L storage tank at STP?
March 16, 2015

Chemistry
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa ). It is often convenient to know ...
March 11, 2015

chemistry
How many kilocalories are required to produce 12.7g of aluminum?
March 9, 2015

chemistry
How many kilocalories are required to produce 1.83mol of aluminum?
March 9, 2015

chemistry
How much heat (in kilocalories) is released when 7.87g of Al is used in the reaction?
March 9, 2015

chemistry
How many Calories (that is, kilocalories) are in a 37.8g serving of potato chips if we assume that they are essentially 50% carbohydrate, and 50% fats? [Energy from Food, p. 189 in the textbook]
March 9, 2015

Health and PE
your doctor tells you that you and your twin sister have the same basal metabolic rate (BMR). You live independent lives and do your own thing, so how can that be? Which factor is likely the reason? A. your age. B. your appetites. C. your required Daily Values. D. your hunger.
February 12, 2015

Science
What factors will be important in deciding the future use of energy resources?
January 30, 2015

biology
a category within biology that deals with the physical and chemical functions
January 28, 2015

precal
Roses cost $5 each and geraniums cost $3 each. Michelle bought 4 more geraniums than roses and spent a total of $52. How many roses did she buy?
January 21, 2015

Science
a common recessive trait in dogs is deafness. homozygous line of normal-hearing dogs was crossed with a homozygous line of deaf dogs. F1 and F2 generations were produced. What % of F1 generation is expected to have normal hearing? What is a phenoeyeic ratio of the F2 generation?
January 13, 2015

Statistics
A sample of 148 values is randomly selected from a population with mean, μ, equal to 46 and standard deviation, σ, equal to 17. (Give your answers correct to one decimal place.) (a) Determine the interval (smallest value to largest value) within which you would ...
November 23, 2014

english
Blue Flags and green rushes grew along the river. whats the complete subject and the complete Predicate?
September 9, 2014

math 7
grade 7 students were surveyed to determine how many hours per day they spent on various activities. The results are shown in the circle graph below. about how many hours per day altogether were spent on watching TV and homework?
April 3, 2014

Grammar
Thank you ! I was confused because the sentence started with those.
February 23, 2014

Grammar
Those that were in need of help were lucky to have Christian to assist them. I know the dependent clause is that were in need of help I think the clause is a noun clause Is that correct?
February 23, 2014

English
Sorry I meant an example of a irregular verb sentence example
February 13, 2014

English
An example of an irregular verb
February 13, 2014

Math
Jared is making bookmarks how many bookmarks can he make fram a 15 yard spool of ribion Each bookmark is 10.5 inches
February 13, 2014

Digital Footprint Safety ~CHECK MY ANSWERS~
What contributes to your passive digital footprint? a. entering your address into a website to sign up for a contest b. cookies that track your online habits c. uploading a profile picture to a social media site d. posting information on your personal web page********
February 11, 2014

Digital Footprint Safety ~CHECK MY ANSWERS~
Which of the following contributes to your active digital footprint? a. adware that secretly tracks your buying behavior online b. personal information you intentionally enter into a secure website when making a purchase *********** c. personal data from public records such as...
February 11, 2014

Math
5) Which is equivalent to the expression shown? 5^-3 a. -125 b. -15 **** c. 1/125 d. 2 6) Which is equivalent to the expression shown? 10^2 . 5^2 a. 2,500 ******* b. 250 c. 500 d. 200 7) The value of Square root 60 is between which pair of consecutive numbers? a. 59 and 60 b. ...
February 10, 2014

Math
What is three sevenths r equals three fifthes
February 10, 2014

English
To make is the infinitive is it an adjective
February 10, 2014

English
My grandmother taught me to make lentil soup To make is it an adj adv or a noun I say it is a adv
February 10, 2014

English
To see and I think it is an adv.
February 10, 2014

English
Brenda went to that popular, crowded cafe simply to see her friends. Is it a noun adv or an adj
February 10, 2014

English
Thank you very much
February 10, 2014

English
Fifty years ago, people didn't know to avoid bad cholesterol. To avoid is the infinitive is it being used as an adverb, adjective, or a noun?
February 10, 2014

Math
Thank you because my son's would not believe me. He had a teacher helping him in study hall. His teacher told him it was 1 1/3
February 4, 2014

Math
(-4/3 )-(-3/2)= 1/6 Is 1/6 the correct answer? Minus a negative number becomes a positive then I found common dem.
February 4, 2014

spanish
Jack is the words in Spanish? It does not look like it. I know the words are unscrambling.
January 31, 2014

Math ~CHECK MY WORK PLEASE~
oh ok
January 17, 2014

Math ~CHECK MY WORK PLEASE~
1.) Wait so it like this ? : T<5 T - 1.5 < 5 - 1.5 T = T<=5 2.) or like this ? : T<5 T - 1.5 < 5 - 1.5 T<=5
January 17, 2014

Math ~CHECK MY WORK PLEASE~
OK, Yes I do understand! Thank You, Cassidy for responding fast!
January 17, 2014

Math ~CHECK MY WORK PLEASE~
Briana is allowed to watch no more than 5 hours of T.V a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of T.V Briana can still watch this week. MY ANSWER: T<5 T - 1.5 < 5 - 1.5 T = 3.5
January 17, 2014

MATH
I dont know Cindy?
January 17, 2014

MATH
Briana is allowed to watch no more than 5 hours of T.V a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of T.V Briana can still watch this week.
January 17, 2014

Math
The LCM of two consecutive numbers is greater than 200 and is a multiple of 7. Name the numbers. How do you figure this out?
January 16, 2014

MATH
OK, I got it now! Thanks so much!
January 9, 2014

MATH
OK Cool, but so I can understand well can you explain me how? Please? !
January 9, 2014

MATH
Ms. Sue ?
January 9, 2014

MATH
= 9.22 ?
January 9, 2014

MATH
Hello Ms. Sue, Can you please help on this I don't get it! Please ~Thanks
January 9, 2014

MATH
A shirt cost $7.80. What is the price of the item after a 10% increase with sales tax? (Sales Tax: 7.5%)
January 9, 2014

English- Help Ms. Sue
We are stuck on identifying weather the sentence is a gerund or a participle
December 10, 2013

MATH
Sometimes, people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent over 100? If no, explain why. If yes, give a scenario where a percent over 100 makes sense.
December 9, 2013

chemistry
At equilibrium for the reaction A + 2B --> C + D <-- the concentration of A is 0.579 mol/L, the concentration of B is 0.598 mol/L, the concentration of C is 0.465 mol/L, and the concentration of D is 0.608 mol/L. What is the equilibrium constant for this reaction?
December 3, 2013

MATH
What does it mean to say that a country's land area is positively correlated with its population? a) The larger the land area of a country, the higher its population tends to be. b) The smaller the land area of a country, the higher its population tends to be. c) There is ...
November 21, 2013

MATH
What is a trend line on a scatter plot? What is an outlier?
November 21, 2013

history
Why did the English establish colonies in the Americas?
November 15, 2013

chemistry
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, and the specific heat of water is 4.184 J/deg/g. How many grams of ice at 0 ° could be converted to steam at 100 °C by 9,946 Joules of heat?
November 15, 2013

chem
What volume of ammonia gas will be produced when 6.52 L of hydrogen react completely? 2N2 + 3H2 -> 2NH3
November 10, 2013

chem
What volume of carbon dioxide gas (at STP) is produced when 1.01 moles of oxygen gas react completely? 2CO + O2 -> 2CO2
November 10, 2013

Math
ok thanks so much :)
November 7, 2013

Math
27/90 = 3/? 3 10 ************ 9 27 32/? = 20/25 37 16 26 40 ************ Is this right ????
November 7, 2013

Math
27/90 = 3/? 3 ************ 10 9 27 32/? = 20/25 37 *********** 16 26 40 Is this right ????
November 7, 2013

Math
Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40
November 7, 2013

mult choice
The Balance Sheet of a manufacturing firm will include which account that will NOT be included in the Balance Sheet of a service firm? A. Cash B. Accounts Payable C. Prepaid Insurance D. Work in Process Inventory
August 15, 2013

multiple choice / define
A transfer price is the: A. price for which a company sells its products to customers. B. price at which goods are moved from one department of a company to another department of the company. C. basis on which indirect expenses are allocated. D. price at which a company ...
August 15, 2013

mult choice / accounting
kinda just a guess /: im sorta confused what the questions asking
August 14, 2013

mult choice / accounting
I would go with D, but im not for sure...
August 14, 2013

mult choice / accounting
A department transferred 7,000 units to the finished goods storeroom during a month. There was no beginning work in process inventory, but 500 units were still in process at the end of the month. Equivalent production for the month was 7,400 units, and production costs ...
August 14, 2013

To Dakota: Multiple choice
ok good! thank you (:
August 14, 2013

accounting
A bond sinking fund investment is started on January 5, 2010, by transferring $10,000 in cash to the fund. This $10,000 is invested and earns $1,100 during 2010. The entry to record the earnings made on the sinking fund investment includes a debit to _____and a credit to ...
August 13, 2013

ACCOUNTING
1.b 2.d 3.a can I please get some help?
August 13, 2013

ACCOUNTING
Posted by dakota on Tuesday, August 13, 2013 at 2:03am. 1. If market interest rates are higher than the rate offered on the bonds being sold, they will be sold at: A. a premium. B. a discount. C. face value. D. a loss. 2. When bonds are issued at a premium, the bond premium: A...
August 13, 2013

accounting
1. If market interest rates are higher than the rate offered on the bonds being sold, they will be sold at: A. a premium. B. a discount. C. face value. D. a loss. 2. When bonds are issued at a premium, the bond premium: A. reduces the amount of interest expense over the life ...
August 13, 2013

accounting
A bond sinking fund investment is started on January 5, 2010, by transferring $10,000 in cash to the fund. This $10,000 is invested and earns $1,100 during 2010. The entry to record the earnings made on the sinking fund investment includes a debit to _____and a credit to ...
August 13, 2013

Math
You deposit $6,700 in a money-market account that pays and annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after 4 years
April 11, 2013

Math
You have 2 pairs of shorts, 2 pairs of shoes, 2 shirts how many combinations could you wear
April 9, 2013

Algebra Binomial Theorem
Thank you for your help.
April 5, 2013

Algebra Binomial Theorem
Hi, can somebody help me with this math problem I am stuck on? How do I use binomial theorem to expand(2x – 5y)^3. I need to show my word so any help you can provide would be greatly appreciated.
April 5, 2013

Grammar
"They have lived in what is now Ghana for many centuries," she went on. Does this sentence need quotations
March 21, 2013

Grammar
By, who were telephones improved? How can I know if this is right with who or should it be whom?
March 18, 2013

Grammar
Whom can you believe? Now if I change this into a statement You can believe whom. Whom is an object of the verb correct?
March 11, 2013

Grammar
Whom can you believe? You can believe whom You would use whom because it is an object of the verb. Is this correct?
March 11, 2013

Grammar
Who do the Democrats prefer? Whom do the Democrats prefer? Which sentence is correct ?
March 11, 2013

Algebra
the length of a rectangle is 7 cm more than its width. find the demensions of the rectangle if its perimeter is 50 cm.
January 3, 2013

Physics
A 65.0 kg ice skater moving to the right with a velocity of 2.47 m/s throws a 0.18 kg snowball to the right with a velocity of 24.3 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
November 9, 2012

Physics
A 2.9 kg ball strikes a wall with a velocity of 7.5 m/s to the left. The ball bounces off with a velocity of 6.3 m/s to the right. If the ball is in contact with the wall for 0.20 s, what is the constant force exerted on the ball by the wall? _________ N to the right
November 9, 2012

Physics
A 65.0 kg ice skater moving to the right with a velocity of 2.47 m/s throws a 0.18 kg snowball to the right with a velocity of 24.3 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
November 8, 2012

Physics
If a 0.147 kg baseball has a momentum of p = 4.32 kg·m/s as it is thrown from home to second base, what is its velocity? _______ m/s toward second base
November 8, 2012

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