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Calculation
Page 5
Questions (1,561)
50 is 6.25% of what number?
A. 8 B. 80 C. 750 D. 800
4 answers
asked by
Anonymous
1,280 views
5. A certain wall is 13' by 9'. A can of paint will cover 50 square feet. Will it be enough? Explain.
Area or Perimeter Answer
9 answers
asked by
Barry Vacker
2,462 views
I don't get two questions out of my homework and I know the answers to them but just not how the answers were gotten. PLEASE
6 answers
asked by
Taylor
3,806 views
37 is what percent of 144, to the nearest percent? please helpp
4 answers
asked by
Oscar
886 views
Problem S7.3
If a plant has an effective capacity of 6,500 and an efficiency of 88%, what is the actual (planned) output?
4 answers
asked by
Docarie
3,785 views
(Ksp= 5.0*10^-13)
1) Calculate the molar solubility of AgBr in 3.0×10^−2 M AgNO3 solution. 2) calculate the molar solubility
5 answers
asked by
Jonah
8,496 views
A 85.2-mg sample of the compound X4O10 contains 48.0 mg of oxygen atoms. What is the atomic mass of element X?
4 answers
asked by
College
6,359 views
How many molecules are contained in a 7.60-g sample of dimethylmercury?
5 answers
asked by
Chem
1,776 views
A 20g bullet moving at 200ms hit a bag of sand and comes to rest in 0.011 s what is the momentum of the bullet just before
14 answers
asked by
Anonymous
3,332 views
two forces are acting on an aircraft of mass 2000 kg calculate 2000 N East 20000 N North E
5 answers
asked by
beado
3,145 views
what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3? what volume would be occupied by
5 answers
asked by
heather
6,476 views
You add 6.4g g of iron to 27.80mL mL of water and observe that the volume of iron and water together is 28.61mL mL . Calculate
4 answers
asked by
Anonymous
3,490 views
If the solubility constant of silver iodide (AgI) is 8.5 × 10^-17, what is the solubility of Ag+?
A. 2.0 × 10^-13 M B. 4.0 ×
5 answers
asked by
Atticus
2,374 views
how many grams of Al2O3 be obtained if 13.5 g of aluminum completely reacts with oxygen as
4Al+3O2---->2Al2O3 Molar mass of Al is
6 answers
asked by
Alia Misbah
4,210 views
A sign on the gas pump of a certain chain of gasoline stations encourages customers to have their oil checked, claiming that one
5 answers
asked by
Matt
9,411 views
A 32 kg gun is standing on a frictionless surface.
The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive
11 answers
asked by
Jackie
1,501 views
A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was
4 answers
asked by
Lauren
2,507 views
An object of mass 1.5 kg rests on a shelf where it has a gravitational potential energy of 7 joules. An object of mass 4.5 kg is
4 answers
asked by
roxy
2,467 views
The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following.
A)water
4 answers
asked by
melissa
4,731 views
Three girls are absent from a class of 25 students. What percentage of the class is absent.
5 answers
asked by
Stephanie
924 views
A projectile is launched straight up at 54.5 m/s from a height of 88 m, at the edge of a sheer cliff. The projectile falls, just
4 answers
asked by
Anonymous
1,436 views
70 J of work are done on the gas in the process shown in the figure.
What is V_f in cm^3 ? I have a graph but I can't post it
4 answers
asked by
Ana
1,560 views
The probability of events A and B is
P(A)=12 P(B)=13 P(A∩B)=14. What is the value of P(A or B)? Enter your answer as a
4 answers
asked by
jerry
792 views
If Susie paid $827 in taxes on gross income of $1,748, what percent of her gross pay is being taken out in taxes?
Express your
4 answers
asked by
Leah Brown
1,436 views
A company borrows $13000 at 9% for days. Find (a) the amount of interest due and (b) the total amount that must be
4 answers
asked by
Anonymous
818 views
How many grams of Ag2S can be generated from a mixture of 2.48 g Na2S and 3.41 g of AgNO3 given the following unbalanced
4 answers
asked by
Jacob
1,748 views
The solubility product constant (Ksp) for the dissolution of PbSO4 as represented by the chemical equation is 1.7x10-8.
PbSO4
4 answers
asked by
andy
4,152 views
Thee individual decides to give one-eighth of a percent of his 7.92*10^10 net worth to charity. How many dollars are given to
4 answers
asked by
Anonymous
1,602 views
1. A local community college determines the probability that a student will reenroll for a second year is 0.91. A representative
4 answers
asked by
lala
2,030 views
Suppose you invest $400 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after
4 answers
asked by
Anonymous
2,463 views
Two gerbils run in place with a linear speed of 0.60m/s on an exercise wheel that is shaped like a hoop.Find the angular
4 answers
asked by
Anonymous
2,451 views
b. Calculate the profit or loss on 12,000 bags and on 25,000 bags.
12,000 x $10 = 120,000 80,000 + .10 x 50lbs x 12,000 = 80,000
4 answers
asked by
scooby9132002
1,216 views
Professor Ivy has given the following weights to her grades:
Weight of Area Homework 5% Projects 20% Quiz 15% Exams 60% Your
3 answers
asked by
Leah Brown
2,703 views
A 7%,6O day note was discounted at 15 days before the maturity date. If the discount rate was 5.5% and the proceeds received
4 answers
asked by
fizz
909 views
By what percent is a 100-watt light bulb brighter than a 60-watt light bulb? Round to the nearest tenth.
40/60 = 2/3 = 2 ÷ 3 =
4 answers
asked by
Ann
1,599 views
How many grams of KCl can you dissolve in 50. g of water at 70 degrees C?
6 answers
asked by
Kate
2,917 views
A solid rectangular block measures 0.100m x 0.080m x 0.060m and float freely in a liquid of density 13546kg/m³. If the depth of
9 answers
asked by
Same
1,076 views
In (Figure 1), the charge q=1.28×10^−9 C.
figure contain ( -2q at 0 and +5q at 1m ) a) Find the electric potential at x=0.750
3 answers
asked by
Junaid
936 views
The odds in favor of Carl beating his friend in a round of golf are 7 : 4.
Find the probability that Carl will beat his friend.
2 answers
asked by
Gaby
1,309 views
Using the image below, figure out the kinetic energy of each vehicle.
Truck: 6000 kg 92km/h Car:1200 kg 100km/h
4 answers
asked by
R
138 views
15.00 mL of 0.200 M KI is combined with several other solutions (none of which contain K+) to produce a final solution with a
4 answers
asked by
lino
582 views
A 95% confidence interval for a population mean, ?, is given as (18.985, 21.015). This confidence interval is based on a simple
4 answers
asked by
Mike
2,462 views
A study of 35 professors showed that the average time they spent creating test questions was 13.5 minutes per question. The
4 answers
asked by
Holly
2,362 views
Determine the absolute pressure at the bottom of a lake that is 13.3 m deep. The acceleration of gravity is 9.8 m/s
2 and
4 answers
asked by
Anonymous
2,128 views
Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it
4 answers
asked by
Arthur
653 views
A chickadee with a mass of 12 g sleeps on a stationary branch. What is its momentum?
A. 0 kg*m/s B. 2 kg*m/s C. 36 kg*m/s D. 120
4 answers
asked by
Madelyn
107 views
Estimate the rate of the reaction,
H2SeO3 + 6I- + 4H+ Se + 2I3- + 3H2O given that the rate law for the reaction at 0°C is rate =
4 answers
asked by
Is my answer right?
2,433 views
Justin worked for 7 hours and earned 38.50. How much did he earn per hour
7 answers
asked by
jazzi
1,681 views
I balanced an equation between lead(II) nitrate and potassium sulfate and ended up with:
Pb(NO3)2 + K2SO4 --> PbSO4 + 2 KNO3 If
4 answers
asked by
Nicholas
2,143 views
In an exam a student scored 60 marks out of a possible 80. What percentage is this
10 answers
asked by
Frank
2,189 views
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