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Jessica
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A buffer solution of volume 100.0 mL is 0.140 M Na2HPO4(aq) and 0.120 M KH2PO4(aq). What are the pH and the pH change resulting
2 answers
1,462 views
Why can the identity of a compound not be determined by cutting out the spot on an autoradiogram and subjecting it to chemical
0 answers
535 views
I'm doing project on What are Media racism on Islam & Muslim? Networks etc.and resources where can I can find it
Thank you!
1 answer
540 views
So i have a test in stats tomorrow and im trying to work on my study guide but im stuck at this question : Construct a
0 answers
472 views
Weight of empty crucible and cover = 23.104 g
Weight of crucible, cover, MgO and Mg3N2 = 24.199 g Weight of crucible, cover,
2 answers
2,139 views
it takes beth 6 hours to do homework and it takes nina 9 hours. how many hours would it take if they did their homework
2 answers
540 views
A 2.764 g sample containing only iron and aluminum metal was treated with acid to form Al(+3) and Fe(+2). The sample was then
1 answer
1,546 views
A student determines the iron (II) content of a solution by first precipitating it as iron (II) hydroxide, and then decomposing
1 answer
2,349 views
Calculate the number of milliliters of 0.782 M KOH required to precipitate all of the Mn2+ ions in 112 mL of 0.461 M Mn(NO3)2
1 answer
1,792 views
A balloon, when rubbed against denim, gains a charge of -10ìC. The force between the balloon and the denim when they are
0 answers
993 views
a 175.0 ml solution is made up of 20.0g of titanium(iii) chloride and H2O. What is it's molarity? I am just trying to check my
1 answer
881 views
14. Which statement is true?
A. Every rational number is a square root. B. Every irrational number is a fraction. C. Every
5 answers
1,697 views
A basketball player is standing on the floor 10.0 m from the basket as in the figure below. The height of the basket is H = 3.05
0 answers
960 views
To check my reading week 4 quiz
1 answer
392 views
The combustion of hexane can be represented by the following equation:
__C6H14 (g) + __O2(g) → __CO2(g) + __H2O(g) What is the
1 answer
668 views
Assume that the producer has 7 skits and 5 commercials available.
Skits can't be repeated, commercials can.
1 answer
520 views
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m =
0 answers
1,313 views
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m =
0 answers
964 views
The selling prices of houses in a city during one year were normally ditributed with a mean of $259,000 and a standard deviation
2 answers
2,198 views
Robinson agrees with aquinas idea that?
Honor is a subjective quality Honor is secondary to integrity Honor must be displayed in
6 answers
608 views
What are some differences between the European and Taino (Native American) ways of life and cultures?
Desperate for anything.
6 answers
5,239 views
A cone is 8cm high and its vertical angle is 62 degrees,find the diameter of its base
9 answers
2,164 views
An isosceles triangle has a vertical angle of 116 degrees and its base is 8cm long.calculate its height
9 answers
3,063 views
A 28.3 g piece of unknown metal is dropped into a graduated cylinder that has an initial volume of 14.2 mL. If the final volume
3 answers
2,486 views
A glider of length 12.7 cm moves on an air track with constant acceleration. A time interval of 0.563 s elapses between the
0 answers
460 views
Of the following, which is the most estimate of the amount of days Phil Conners(bill Murray) was stuck in the loop? (From ground
1 answer
437 views
Find all the real zeros of the polynomial. Use the quadratic formula if necessary.
4x^3 − 10x^2 + 9
1 answer
605 views
suggest an alternative indicator for the standardization reaction. Explain the rationale behind your choice.
Used 10 g of KHP
1 answer
929 views
A force of 20N is applied to a mass of 5kg resting on a rough horizontal surface. If the friction force is 5N, what is the
2 answers
2,125 views
A plumber installs a pipe that has a diameter of 10 cm and a length of 2.4m, Calcualte the volume of water(in cm3) that the pipe
3 answers
776 views
1. In the __________, an animal patient's hair is clipped and its skin is scrubbed to prepare for surgery.
A. hospital ward B.
6 answers
2,164 views
It's a total of 55 students majoring in History. What is the proportion of MBA students majoring in history. Compute to 95%
0 answers
561 views
An object starts from rest an undergoes a constant acceleration in the positive x direction. After some time it covers a
1 answer
896 views
A Bulldog is already moving when we first see it. It waddles -57 meters reaching a final velocity of -28 m/s after accelerating
1 answer
428 views
1. The average time it takes for a cellphone to reboot is 3 minutes with a
standard deviation of 10 seconds. The average time it
0 answers
578 views
Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the
1 answer
2,010 views
How to solve first question using a t table please help answer question really stuck on wok new answers 19 or170 can you tell me
1 answer
598 views
At the faculty costume party , each teacher from Transylvania Middle school came dressed as his of her favorite creepy creature
1 answer
607 views
A newspaper carrier has $1.80 in change. He has two more quarters than dimes but three times as many nickels as quarters. How
1 answer
729 views
Alex needs 2&1/4 cups of flour ,he has 2&3/10 cups Draw a number line that shows both fractions.
1 answer
680 views
Marc works in a dairy processing plant. He is paid 16.50/h. He is paid time-and-a-half if he works more than 40 hours in a week.
1 answer
577 views
write the number of permutations in factorial form.then simplify. how many different ways can you and four of your friends sit
3 answers
1,849 views
What do I put in my enterprise security plan proposal? I need to cover the ten domains of Information Security Common Body of
0 answers
623 views
if cos theta =7/13, where 0<theta<pi/2, fin the value of cos2theta
1 answer
683 views
Rachel is a highechool student who has explored several employment and education alternatives. She has chosen to attend the
5 answers
1,264 views
The ABC Toy Company is creating two similar pieces for a board game as shown below. Find the value of b that makes the two
5 answers
2,366 views
When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or
4 answers
4,141 views
For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one
0 answers
665 views
A card is drawn at random from a standard deck of 52 playing cards. What is the probability of drawing a red card or a black
1 answer
828 views
What kinda of game board or card game should I create about people? I need ideas. Thanks.
2 answers
976 views
I'm dong project on Dyncorp/CSE( Have to Give a brief description of the corporation- The human right violations it supports
3 answers
560 views
Some fleet car license plates contain 4 numbers followed by 3 letters and then another 3 numbers. If this were the standard
1 answer
510 views
1. Which of the following energy transformations best describes the operation of a solar powered battery charger?
(a) electrical
3 answers
3,305 views
1. Which of the following energy transformations best describes the operation of a solar powered battery charger?
(a) electrical
1 answer
2,851 views
Hi
I want to study Psychotherapy and be a Dance therapist but cannot find any courses for Dance Therapy in South Africa.
1 answer
513 views
1. Which of the following energy transformations best describes the operation of a solar powered battery charger?
(a) electrical
3 answers
3,199 views
If a 1,000 unit vitamin D is equal to 10 glasses of milk how many glasses are in a 50,000 unit vitamin D?
1 answer
354 views
1. A boy pushes a car to slow it down while the car is rolling horizontally down the road. If the boy pushes backwards on the
1 answer
4,662 views
When common stock has a par value of $2 and a market value of $15:
1.) the liability of the stockholders is $13 per share 2.)
1 answer
626 views
An estimated liability:
1. Is an unknown liability of a certain amount. 2. Is a known obligation of an uncertain amount that can
0 answers
695 views
Internal control devices for banking activities include signature cards, deposit tickets, checks, and bank statements.
01.) True
1 answer
1,875 views
An asset's cost includes all normal and reasonable expenditures necessary to get the asset in place and ready for its intended
1 answer
973 views
Problems: Please show all calculations.
Claudette, Inc., provides warranties for many of its products. The January 1, 2014,
2 answers
831 views
solve for y
2y = 18x y - 6 = 2x trying to help with homework and at a loss here.
1 answer
410 views
solve for y
3x + y = 2 Trying to help out my daughter, if you could show me steps that would be wonderful. Thank You
1 answer
396 views
10.1g of potassium nitrate were dissolved in 50cm^3 of water. the temperature fell by 16 degrees celsius. Determine
(a) the
2 answers
1,082 views
3.25g of zinc was added to 50cm^3 of a 4.0 molar dm^-3 HCl. When the reaction was completed the temperature rose by 28 degrees
1 answer
952 views
How does the musculoskeletal system change from birth to adulthood and what are the steps that the system goes through from
1 answer
574 views
6. In Mesoamerica, the shift to basic crops, including corn, beans, and squash, is referred to as the _______ revolution.
1 answer
486 views
We deposit $19000 into an account earning 3% interest compounded semiannually. How many years will it take for the account to
2 answers
886 views
How do you find the surface area of a cylinder and a cone?
1 answer
577 views
Many portable gas heaters and grills use propane, C3H8(g).
Using enthalpies of formation, calculate the quantity of heat produced
3 answers
1,924 views
A sweater that reg. sold for $48 was put onsale for 33 1/3% off. what is the sale price?
1 answer
381 views
Read the sentence below.
Harry didn't know that his actions would affect so many people. He now regretted his choice. This is an
4 answers
836 views
1.Select the community activity that is a healthy choice to promote fitness for all ages
A.annual 5K fun run for charity<---
2 answers
852 views
Where can I search poverty in my community and its poverty statics for their respective areas? For instance, MN. Thank you.
1 answer
633 views
I have tried to answer these im just not sure help plz.
1. Which word best describes modern life for Japanese teenagers such as
5 answers
1,244 views
If you were one of the new immigrants who arrived in America in the 1880s, it's most likely that you
would have been A. Italian
3 answers
604 views
Bonnie has a rectangular photographic print that is 5 inches wide and 7 inches long. If she multiplies both the length and width
8 answers
1,255 views
Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4
1 answer
701 views
Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4
2 answers
2,547 views
Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of
1 answer
779 views
Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of
1 answer
719 views
19. You measure how much people are initially attracted to a person of the opposite
sex and how anxious they become during their
1 answer
804 views
A researcher measures how positive a person’s mood is and how creative he or she
is, obtaining the following interval scores:
1 answer
1,712 views
(a) For the relationship in question 19, what is the proportion of variance accounted
for? (b) What is the proportion of variance
1 answer
591 views
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did
12 answers
5,566 views
John has 18 coins worth $1.25. Some are nickels and dimes. How many of each does he have?
1 answer
647 views
A 1.40 kg skateboard is coasting along the pavement at a speed of 5.5 m/s when a 0.800 kg cat drops from a tree vertically
2 answers
2,313 views
What mass in grams of a 0.500 m(molal) solution of sodium acetate, CH3CO2Na, in water would you use to obtain 0.200mol of sodium
3 answers
3,865 views
Find an equation of the plane.
The plane that passes through (8, 0, −2)and contains the line x = 6 − 2t, y = 3 + 5t, z = 3 +
1 answer
557 views
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with
10 answers
3,308 views
a.) How can you describe the location of vanadium (V, atomic number 23) on the periodic table? Choose all that apply.
1. period
3 answers
2,444 views
Systems of equation
1. +2y=5 8 -6y=3x-15 2).p-2q=4 2q=p+2 Solve the equations? I am stuck on how to do these last to problems
1 answer
581 views
Explain how objects can get charged by Friction.
0 answers
363 views
Explain how objects can get charged by Friction.
0 answers
392 views
Perpendicular. To x-3y=2 and contains ( 2,4)
2). That is parallel to 2x+5y=4 I don't get how to solve and use y=Mx+b
1 answer
425 views
I have to do an assignment on Ecosystems perspective and social work. I'm asked to write how they would apply the in ecosystems
1 answer
723 views
1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each
1 answer
753 views
Which of the following must be the same before and after a chemical reaction?
Answer: The sum of the masses of all substances
1 answer
1,122 views
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