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Questions Asked on August 3, 2016

2H2(g)+O2(g)-2H2O(g)Calculate the initial number of moles of oxygen gas and hydrogen gas
1. 0 answers
2. asked by Tumi Mokoena
3. 523 views
calculate the mass of potassium hydrogen phthalate needed to prepare a 0.1M solution in a 250 ml volumetric flask given that the
1. 3 answers
2. asked by Sam
3. 6,040 views
Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).
1. 2 answers
2. asked by tor
3. 389 views
Death Valley in California is 86 m below sea level. Will the partial pressure of oxygen in Death Valley be the same, lower or
1. 3 answers
2. asked by SahDuuude
3. 1,486 views
Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).
1. 2 answers
2. asked by tor
3. 572 views
find the derivative using fundamental theorem of calculus integral of sin^3tdt from e^x to 0
1. 1 answer
2. asked by Anonymous
3. 1,069 views
Use identities to simplify each expression.sin(x)+cos^2(x)/sin(x) = ? tan^3(x)−sec^2(x)tan(x)/cot(−x) = ?
1. 1 answer
2. asked by tor
3. 704 views
10+(10-12/2*2*3)*773 66 23<<<my answer 17
1. 2 answers
2. asked by FluttershyK22
3. 405 views
The gas in a cylinder has a volume of 8 liters at a pressure of 108 kPa. The pressure of the gas is increased to 224 kPa.
1. 2 answers
2. asked by SahDuuude
3. 779 views
How many mins before 12 noon if one hour ago it was 3 times many mins after 8 am
1. 1 answer
2. asked by aarya
3. 359 views
1. Evaluate 4 times a number q plus 25 when q=2.27 31 33<<<my answer 42 2. Evaluate 4 times a number q plus 25 when q=2. 27 31
1. 56 answers
2. asked by FluttershyK22
3. 11,209 views
How to simplify rational expression 4x-2y divided by -2x-y
1. 1 answer
2. asked by Will
3. 457 views
Weathering of rock is a ......?...... Change.
1. 1 answer
2. asked by Weathering
3. 430 views
a man places $700 in an account that accrues interest continuously. Assuming no additional deposit and no withdrawals, how much
1. 1 answer
2. asked by diana
3. 467 views
An interior angle and an exterior angle are adjacent. The interior angle measures 84°. What is the measure of the exterior
1. 2 answers
2. asked by chrissi
3. 952 views
In a class of 400 students 30% are girls.find the number of boys?
1. 2 answers
2. asked by Mitali nayak
3. 652 views
The normal weight (w) in pounds of a male between 60 and 70 inches tall is related to his height (h) in inches and is
1. 8 answers
2. asked by andrei
3. 6,865 views
The most northern city in the world is in what European country?
1. 1 answer
2. asked by Qiaka
3. 558 views
upon the start of WW1 what alliance was russia apart of
1. 2 answers
2. asked by cristina
3. 481 views
Your class started at 12:12PM and ended at 12:50PM. What angle did the minute hand of a watch sweep through during the class?
1. 2 answers
2. asked by Niraj Patel
3. 1,919 views
A plane takes off from Lagos at 10.30a.m. it flies to Accra in 65 mins, makes a stop of 40 mins at Accra airport. And then flies
1. 7 answers
2. asked by lizzy
3. 3,061 views
The demand function for a certain brand of CD is given byp = −0.01x2 − 0.2x + 12 where p is the unit price in dollars and x
1. 0 answers
2. asked by Tiffany
3. 988 views
The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p
1. 1 answer
2. asked by Tiffany
3. 1,158 views
Calculate the mass (in g) of solid potassium hydroxide required to prepare:a) 1.75 litres of a solution with pH 11.5
1. 1 answer
2. asked by Sarah
3. 630 views
10–(-4)
1. 1 answer
2. asked by Ysabella
3. 243 views
–(-4)+8
1. 1 answer
2. asked by Ysabella
3. 266 views
Hi everyone,I've been stuck on this question. Please anyone help. Show step by step and answers. Thank you. - Determine the
1. 1 answer
2. asked by chichi
3. 412 views
RIDDLE:-! I like to twirl my body,but i keep my head up high,when i go in everything tight.what am I
1. 0 answers
2. asked by Reshma
3. 455 views
One thousand people stood in a very large circle. Each starting with the Jennifer Lopez look alike, wore a sign on his or her
1. 2 answers
2. asked by John Dosley
3. 724 views
What is MDCS and LDCS mean
1. 1 answer
2. asked by Pretty Molapo
3. 325 views
Determine the quarter points.y=cos(x−5π/2) (Type an exact answer, using π as needed. Use integers or fractions for any
1. 3 answers
2. asked by chichi
3. 753 views
Explain the measures toreduce the problems associated with mining and extraction of metal
1. 1 answer
2. asked by Peter
3. 405 views
Lipoprotein is a technique for removing fat deposits from various areas of the body. How many liters of fat would have to be
1. 2 answers
2. asked by Maddie North
3. 1,180 views
why is helium considered a noble gas?
1. 1 answer
2. asked by Anonymous
3. 283 views
This question pertaining to buffer systems!How would you prepare 10.0mL of 0.0100M phosphate buffer, pH = 7.4 0, from stock
1. 5 answers
2. asked by Katie
3. 1,032 views
A fossilized leaf contains 21% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as
1. 2 answers
2. asked by james
3. 819 views
A bag contains 12 blue, 5 red and 3 green marbles. Amy selects a marble and then returns it to the bag before selecting a marble
1. 1 answer
2. asked by Cece
3. 1,316 views
Integral of |sin(x)| from 0 to 3pi/2? Does that mean that counted only just above the x-axis? thanks!
1. 1 answer
2. asked by Anonymous
3. 378 views
sin u=1/3 and sin v=1/4.Then cos u = sqrt(8)/3 cos v = sqrt(15)/4 sin(u+v) = ?
1. 4 answers
2. asked by tor
3. 661 views
in a vertical jump and reach test, a 60 kg student jumps 60 cm, while 90 kg student jumps 45 cm. Assuming both jumps took the
1. 2 answers
2. asked by anonymous
3. 2,725 views
A 50 kg pole vaulter has a horizontal velocity of 8 m/s at the completion of her approach run, and her center of gravity is 1.0
1. 1 answer
2. asked by anonymous
3. 848 views
A volleyball is bumped vertically up to a height of 10 m above the player’s arms. What was the initial velocity of the ball
1. 3 answers
2. asked by anonymous
3. 1,938 views
Compare the kinetic energies of the following:a) A baseball (mass=0.145kg) moving at 100 km/h. b) A runner (mass = 75 kg) moving
1. 1 answer
2. asked by anonymous
3. 644 views
At the end of the current year, $19,900 of fees have been earned but not billed to clients.a.What is the adjustment to record
1. 0 answers
2. asked by tay
3. 582 views
Supposecos(u)=3/5 and sin(u) is positive. sin(u)= sin(u−π)= cos(u−π)= sin(u−π/2)= cos(u−π/2)=
1. 2 answers
2. asked by tor
3. 539 views
A Rectangular garden has length twice its width. The perimeter of the garden is 54 m. What is its perimeter?
1. 1 answer
2. asked by Miyuki
3. 667 views
Campbell’s Soup Company requires that is its tomato soup containers have a capacity of 64 in^3 , have the shape of a circular
1. 1 answer
2. asked by maggie
3. 819 views
Bob bench presses a 50 lb barbell. He maintains a constant speed on the way up and on the way down. If the barbell moves 75 cm
1. 1 answer
2. asked by anonymous
3. 581 views
Describe how lead(II) iodide cen be prepared in the laboratory
1. 1 answer
2. asked by Aaron
3. 574 views
Suppose that an arrow was fired vertically upward from a crossbow at ground level and that it struck the ground 20 seconds
1. 1 answer
2. asked by maggie
3. 821 views
Your required rate of return on company XYZ's preferred stock is 12%. Their preferred stock pays a fixed annual dividend of $4.
1. 1 answer
2. asked by Anonymous
3. 1,213 views
This is for my daughter who was given summer homework and I don't know how to help her please. the difference between two mixed
1. 2 answers
2. asked by Guna
3. 491 views
A man gets an invoice for$430 with terms 22/10, 1/15, n/30. How much would he pay 26 days after the invoice date?
1. 0 answers
2. asked by You
3. 949 views
A boxer is punching the heavy bag. The time of impact of the glove with the bag is 0.10 s. The mass of the glove and his hand is
1. 1 answer
2. asked by anonymous
3. 676 views
Jess has some dogs and chickens in his house all in all there are 15 heads and 26 lehs, how many dogs and chickens were there?
1. 2 answers
2. asked by Clarence
3. 706 views
-2+1
1. 1 answer
2. asked by Hamza
3. 377 views
the ratio of the 2 numbers is 3:7, if their difference is 24, what is the smaller number?
1. 1 answer
2. asked by carl jay
3. 722 views
Change into passive - I have been registering scores like that.
1. 2 answers
2. asked by Daniel
3. 354 views
The volume of a rectangular solid is (x3+3x2+2x-5) cubic cm , and its height is (x+1)cm. what is the area it's base
1. 1 answer
2. asked by Dulce Amor
3. 680 views
I am an even composite number less than 10 and grater than 6. I am
1. 1 answer
2. asked by Anonymous
3. 347 views
I am an even composite number less than 10 and grater than 6. I am
1. 1 answer
2. asked by Anonymous
3. 497 views
Dear kind-hearted tutor,Can you check my solution on this question? Given f' (x) = {2x - 1, x≤1; x^2, x>1, find f’ (1) if
1. 1 answer
2. asked by Adlina Saleh
3. 532 views
what is the area of triangle with the height of 4.9 ft and a base of 1 foot less than it's height?
1. 1 answer
2. asked by Area
3. 267 views
the diameter of red apples of an orchard have a normal distribution with a mean of 3 inches ans standard deviation of 0.5 inches
1. 1 answer
2. asked by bernie
3. 739 views
There are k zeros at the end of 34!=34.33.32...4.3.2.1. What is the value of k?
1. 2 answers
2. asked by hello12345
3. 1,512 views
A box weighing 450 Newtons is pulled along a level floor at an angle of 30 degrees with the floor.If the force of the rope is
1. 3 answers
2. asked by Salimata
3. 3,439 views
a school has 1800 students on its roll,40% of whom are girls.how many boys are there in the school
1. 3 answers
2. asked by piyush
3. 758 views
A computer company gives a discount of 10% on a new pieceof software. If it makes a profit of 4%, what percent does the marked
1. 1 answer
2. asked by king
3. 431 views
a bagcontains 375 apples. find the number of apples in 2206 such bags.
1. 1 answer
2. asked by gyan sthali acadmy
3. 408 views
use these values of initial position and initial velocity in the following questions. Initial position 1.0 m above ground
1. 1 answer
2. asked by kim clark
3. 1,058 views
Write an equation to show reaction of pop with water
1. 1 answer
2. asked by raj
3. 531 views
michelle inherited 5/8 of his father's estate. He sold 2/5 of his share. What part of the entire estate did he sell?
1. 1 answer
2. asked by michelle
3. 945 views

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