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Calculations
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Questions (980)
Can someone please check my answers and make sure they're correct?
A) How much heat would it take to raise the temperature of
3 answers
asked by
Amanda
959 views
Computing in the Business World
Suppose you are opening a 1,000 square foot baseball card store in a shopping center. You have
4 answers
asked by
annonymous
1,307 views
A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE
4 answers
asked by
hi
1,718 views
1: Connor drives an an eighteen-wheeler. It cost Conner $456 to fill the truck up with diesel fuel. If diesel fuel cost $3 a
4 answers
asked by
monokumaa11037
740 views
find the prime factorization of the number 3240
PLZ HELP!!!!!
9 answers
asked by
Corgi
2,387 views
A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to
1 answer
asked by
Jaime
1,068 views
1. A chemical crystal weighs 3.630 grams in air and 1.820 grams when immersed in an oil. If the specific gravity of the oil is
5 answers
asked by
eliza
2,147 views
1.Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary.
75 to 60 A. 20% B. 30%*** C.
9 answers
asked by
Callie
2,596 views
Write a structured algorithm that prompts the user to input the number of days in a month. Calculate and print the number of
5 answers
asked by
Amanda Sinclair
1,277 views
Tumelo used his calculator to work out the value of 3,12×4,36. He wrote down the answer as 136,032.
What simple check could
5 answers
asked by
Mandy
225 views
When you enter 0.0000000045 into the calculator,you get 4.5 E-9. This means
4 answers
asked by
Amy
273 views
Use an equation to solve the problem.
1. What is 57% of 11? (1 point) 11 = 0.57 • n; 19.3 n = 57 • 11; 627 n = 0.57 • 11;
6 answers
asked by
Cami
1,235 views
What is the net price factor for trade discounts of 25/15/10?
Answer: .57375 Just checking my homework answers
4 answers
asked by
Ann
4,267 views
Calculate how many turns of cable you will need on drum for your cage and skip to move up and down by 500m
17 answers
asked by
Tatum Jacobs
9,894 views
An aqueous stock solution is 85.0% H2SO4 by mass and its density is 1.83 g/mL. What volume of this solution is required to make
4 answers
asked by
Wes
2,079 views
An artillery shell is fired at an angle of 48.2 degrees above the horizontal ground with an initial speed of 1530 m/s. THe
4 answers
asked by
alexa
9,807 views
The solubility of NaCl in water is 35.7g NaCl/100g H2O. Suppose that you have 500.0g of NaCl. What is the minimum volume of
5 answers
asked by
Jazmin
4,126 views
An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the average so far is 71. (The
4 answers
asked by
Bob
2,455 views
Answer the following questions about energy changes associated with heating and cooling a substance. Use the quantities in the
9 answers
asked by
Morgan
2,781 views
Calculate the molarity of 12.5g of sucrose (C12H22O11) in 80mL of solution.
12.01 x 12 = 144.12 1.01 x 22 = 22.22 16.00 x 11 =
4 answers
asked by
kiki
1,644 views
A company manufactures calculators in batches of 64 and there is a 4% rate of defects. Find the probability of getting exactly
4 answers
asked by
Jen
4,851 views
In each situation shown in the figure below, a ball moves from point A to point B. Use the following data to find the change in
4 answers
asked by
joy
909 views
difference between percent difference and percent error?
4 answers
asked by
Anonymous
1,637 views
How many carbon atoms are contained in each of the following number of moles:
(a) 1.40 mol; (b) 5.70 mol?
4 answers
asked by
Lex
2,103 views
A 12-acre piece of land is subdivided into 4/5 acre lots. How many lots are there?
4 answers
asked by
Sarah
1,804 views
Procedure:
1. Calculate the mass of iron(II) ammonium sulfate hexahydrate, Fe(NH©þ)©ü(SO©þ)©ü*6H©üO (MW = 392.14)
4 answers
asked by
Betsey
2,300 views
Guy $1.00=US $0.01 and EC $1.00 =US $0.37
Calculate the value of: 1)Guy $60,000 n US $ 2)US $925 in EC $
4 answers
asked by
rhonda
1,473 views
There are 64 students. 80% scored a 75 on a final test. How many students scored a 75?
5 answers
asked by
Ron
680 views
A total of 31.3 ml of 0.15 N NaOH was required to reach a phenolphthalein endpoint in titrating 6.00 g vinegar. Calculate the
4 answers
asked by
kim
713 views
You have 75.0 mL of a 2.50 M solution of Na2CrO4 (aq). You also have 125 mL of a 2.15 M solution of AgNO3 (aq). Calculate the
4 answers
asked by
Sarah
3,632 views
An estimate for square root 14 is (blank)
A. 3.1 B. 3.2 C. 3.7 D. 4.2 Is the answer C? Thank you
7 answers
asked by
Laura Ashley
1,309 views
Carpet City recorded the following data on carpet installations over the past week. Use the data to calculate the average rate
4 answers
asked by
Sarah
1,220 views
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.071 M NaOH.
4 answers
asked by
Jessica
2,632 views
What answer should be reported, with the correct number of significant figures, for the following calculation:
(965.43 x 3.91) +
2 answers
asked by
James
1,204 views
how many grams of sodium chloride are there in 2.5 L of a 0.4% w/v solution?. need to know how to figure this out
6 answers
asked by
wendy
1,628 views
Shopping: Tax Situation: You are purchasing four items and want to calculate the tax. The items cost $2.50, $8.75, $3.00, and
7 answers
asked by
y
2,090 views
The solubility of KNO3 is 80g/100g water at 50 degrees and 10g/100g water at 0 degrees. The solubility of CuSO4 is 60g/100g
4 answers
asked by
Lauren
3,821 views
3) A shell is fired from ground level with a muzzle speed of 350 ft / s and elevation and angle
of 60 . Find (a) parametric
4 answers
asked by
jack
1,300 views
how to calculate percent error
4 answers
asked by
anonymous
1,485 views
0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^-3 NaOH. It requires 11.80 cubic centimeters of 0.100
4 answers
asked by
Petty
918 views
Diane is making cookies. Of the first 260 she made, 75% had sprinkles on top. After she made 40 more cookies, the overall
4 answers
asked by
Josh
920 views
At 80.°C, Kc = 1.87 10-3 for the reaction.
PH3BCl3(s) PH3(g) + BCl3(g) (a) Calculate the equilibrium concentrations of PH3 and
5 answers
asked by
Stan3000
2,969 views
How many moles of hydrogen and oxygen are in 2 moles of water?
water: h2o # of molecules = (6.022 x 10^23)(2)= 1.2044 x 10^23 #
4 answers
asked by
Lena
1,164 views
For a solution that is 0.168M NH3 and 0.106M NH4Cl calculate the following.
[OH-] [NH4+] [Cl-] [H30+]
5 answers
asked by
Anonymous
698 views
The figure below is a model of a Ferris wheel. The diameter of the wheel is 191 feet, and one complete revolution takes 15
4 answers
asked by
Angels
1,193 views
find the amount due on a $300 invoice received on june 3 and paid on june 11 if the sales terms are 3/15, n/30
4 answers
asked by
Ashley
1,797 views
Calculate the pH of a solution prepared by mixing 25.0 mL of 0.60 M HC2H3O2 and 15.0 mL of 0.60 M NaOH?
4 answers
asked by
Julie
1,050 views
Write pseudocode to represent the logic of a program that allows the user to enter a value for hours worked in a day. The
4 answers
asked by
Isaiah
3,549 views
1. Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH).
My
4 answers
asked by
Vivian
698 views
A stone propelled from a catapult with a speed of 50m/s attains a height of 100m.
calculate: a.the time of flight b.the angle of
10 answers
asked by
osas
2,784 views
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