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Calculation
Page 6
Questions (1,562)
calculate the solubility of SrF2 (ksp=7.9E-10) in 0.100 M Sr(NO3)2 ?
The answer is 4.44E-5 M how do you get that? I Have no clue?
5 answers
asked by
JF
2,233 views
30% of 60 is what number?
A. 15 B. 30 C. 18 D. 40 Is the answer C? Thank you
3 answers
asked by
Callie
613 views
A random sample of six CEOs reported how many times per year they play tennis. The data follows.
3 41 96 32 52 19 Assuming the
9 answers
asked by
me
1,104 views
Consider a mixture of the two solids BaCl2 * 2H2O (FW=244.26 g/mol) and KCl (FW=74.551 g/mol). When the mixture is heated to 160
3 answers
asked by
Anonymous
2,844 views
Calculate ΔSfus and ΔSvap for HF.
Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I
9 answers
asked by
Brian
2,718 views
The Expression shown can be used to calculate the amount of money in dollars a grocery store customer should receive in change
24 answers
asked by
Yeehaw
972 views
What percentage of 50 is 12.5
A. 4% B. 25% C. 40% D. 15%
4 answers
asked by
Anonymous
683 views
Dori and Malory are tracking their steps taken as a health goal. Dori leaves her house at 12:00 p.m. and walks at 50 steps per
4 answers
asked by
Anonymous
1,777 views
A 2.4-kg pile of aluminum(ρ = 2.70 g/cm3)cans is melted, then cooled into a solid cube. What is the volume of the cube?
4 answers
asked by
tony
1,784 views
You have 95.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 2.50 M solution of AgNO3(aq). Calculate the
6 answers
asked by
Ha
794 views
The momentum of a 12 kg dog racing to greet its owner is 37 kg m/s. What is the dog’s speed?
is Pb-mbvb=(12)(37)=?
4 answers
asked by
Reina Bonilla
2,386 views
An advertiser needs a 4-inch picture of a 14 foot automobile. What is the scale factor? Write your answer in simplest form using
3 answers
asked by
erika
989 views
In Megabucks, a player who correctly chooses five out of the six winning numbers gets $400. What is the probability of winning
4 answers
asked by
Lucas
1,370 views
Calculate the amount (in grams) of Tris Base needed to make 1L of 0.01M Tris buffer?
Tris Base=121.4 g/mol
4 answers
asked by
San
2,307 views
A note for 9,000 dated August 12, 2002, is due on October 20, 2002 with simple interest at 9%. If the note is discounted on
3 answers
asked by
joan
752 views
How much water, in grams, can be made from
3.59 × 10^24 hydrogen molecules? Answer in units of g
2 answers
asked by
Mary
1,239 views
The following equilibrium concentrations were observed for the Haber process at 127 oC:
[NH3] = 3.1 x 10-2 mol L-1 [N2] = 8.5 x
4 answers
asked by
xx
867 views
A random sample of 12 joggers was asked to keep track and report the number of miles they ran last week the responses are:
5.5
3 answers
asked by
qui
700 views
A land developer wants to develop 20 acres of land. Each lot in the development is to be 5/4 of an acre. How many lots will the
5 answers
asked by
mike
991 views
To express 81c out of $3.60 as a percentage, you should first:
a) divide them both by 100 b) write them both in the same units
4 answers
asked by
megan
353 views
Solubility of Calcium Hydroxide
At some temperature, the solubility of Ca(OH)2 is 0.0880 g/100mL. Calculate the concentrations of
4 answers
asked by
N
727 views
A student spends 37.5% of her money on food, 28.75% on rent and 15% on books. What percentage of her money is left to spend on
3 answers
asked by
oluwatosin ajisola
486 views
A man applies a force of 150 N to pull a 20kg box with a rope that makes an angle of 60 degrees with the horizontal. The box
3 answers
asked by
Azakhiwe matyobeni
621 views
There were 400 seats in a concert hall. 360 seats were occupied . What percentage of the seats were not occupied ?
6 answers
asked by
Mehma
3,233 views
The relative density of an alloy is 6.5,calculate the mass of the solid alloy cube of sides 20cm.what volume of alloy has a mass
4 answers
asked by
Okoro
570 views
What is 310÷13 ?(1 point)
Responses 910 Start Fraction 9 over 10 End Fraction 109 Start Fraction 10 over 9 End Fraction 10 10
5 answers
asked by
my roblox is 38k_jaden14
57 views
A vial contains radioactive iodine-131 with an activity of 2.0 mCi/mL. If a thyroid test requires 2.6 m Ci in an "atomic
3 answers
asked anonymously
55 views
Jess observed that 60% of the people at a mall on a particular day shopped for clothes. If 2500 people at the mall did not shop
7 answers
asked by
oscar
3,029 views
please help with
in a day jamal spent 1 2/3 hours watching television 1 4/5 hours taking an afternoon nap, and 7/8 hour helping
3 answers
asked by
stacy
1,172 views
if in a spinner of 1-8
if the probability of even numbers is 4/8 and probability of multiple of 3 is 2/8. isn't the answer 6/8/
6 answers
asked by
Anonymous
1,152 views
Maisie is writing a report about kangaroos. The report must be two full pages. If there are twenty lines on each page and each
5 answers
asked by
Anonymous
627 views
What is the mass (in grams) of 9.81 × 1024 molecules of methanol (CH3OH)?
5 answers
asked by
Anonymous
1,639 views
Calculate the solubility of cadmium sulfide, CdS, in mol/L, given the Ksp value as 8.0 x 10^-27.
3 answers
asked by
Anonymous
3,843 views
Which statement about the product is true?
7.56 times 6 point ModifyingAbove 7 with bar
11 answers
asked anonymously
53 views
Calculate the solubility of AgCl in the following solution:
100mL of .004 M CaCl2
3 answers
asked by
Kevin
738 views
a 1.00-mol sample of phosphorus pentachloride placed in 10.0-L reaction flask and allowed to come to equilibrium at 250 degrees
3 answers
asked by
MIndy
805 views
Suppose a spacecraft of rest mass 34000 kg is accelerated to 0.206c. How much kinetic energy would it have?
If you used the
3 answers
asked by
VJC
780 views
Dr needs 500 needles priced at 2.60 per hundred. She pays with 10 days, she receives a 2% disc; sales tax is 5.5%. What amount
4 answers
asked by
FROGG5
616 views
1)calculate the pressure, expressed in pascals, that the brick exerting a force of 18N, and dimensions od 9.3cm x 5.5 cm.
I know
3 answers
asked by
Jonathan T
1,134 views
Jeff bought a pie and cut it into equal-sized pieces. Jeff ate 2 pieces, so 3 quarters of the pie is left.
What fraction of the
4 answers
asked by
EEEEEEEEEEEEEEEEEEEEEEEEEEEEE
102 views
.Solve for Mass
Density= 6 g/ml Volume= 42 ml
4 answers
asked by
yanous
579 views
How much is Zone five dollar bill, seven quarters, and six dimes?
4 answers
asked by
Zoe
563 views
Hope Landers purchases an air conditioner for $546.58 and a fan for $45.50. If the state tax is 6 percent, the city tax is 1.5
3 answers
asked by
jane
518 views
I need help with this math question:
As you calculate the design cost for a site, you conclude it will be $50 per hour. However,
3 answers
asked by
DeAnthony
902 views
Find the number if 6% of it is 20% of 6
4 answers
asked by
URGENT HELP!!!!
890 views
Need help asap.
You are given a list of students' names and their test scores. Design an algorithm that does the following: a.
2 answers
asked by
Poohboi23
1,288 views
"Find each percent of markup?"
5.)Store's cos:$26 selling price:$39 6.)Store's cost:$125 selling price:$168.75 7.)Store's
5 answers
asked by
#FreeGucci
1,528 views
A 18.46 g sample of a compound contains 5.89 g potassium (K), 5.34 g chlorine (Cl), and oxygen (O). Calculate the empirical
3 answers
asked by
Diana
521 views
From your mass of MgNH4PO4.6H2O collected, calculate your value
a) for the mass of "P2O5" in the initial mass of fertilizer
3 answers
asked by
ali
2,151 views
Three employes had salaries of 1136,7636 and 11628 respectively. What percentage of the total salaries did the highest- paid
4 answers
asked by
Hoor
1,205 views
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