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Jim
Questions and answers by
Jim
, page 5
Questions (683)
How many grams of CaSO4 are present in 320ml of a 0.00810 M solution of this compound?
3 answers
581 views
How many grams of a 12.5% (w/w) aqueous solution of HCl do you have to measure out if yo need 32g Of HCl?
1 answer
343 views
Strong sunshine bombards the earth with about 1 kJ.m-2.s-1
Calculate the maximum mass of pure ethanol that can be vaporized in
1 answer
453 views
How much ethanol can be vaporized in 10 min. When under under direct sunlight?
1 answer
270 views
After you have worked out at the gym on a stationary bike for 44.0 minutes, the distance gauge indicates that you have traveled
3 answers
472 views
How can NaHCO3 function as both the acidic component of the NaHCO3/Na2CO3 buffer system and as the basic compnent of the
1 answer
515 views
• 9 different crusts
• With or without cheese • 4 different sauces • 8 different meat toppings • 17 different non-meat
1 answer
484 views
In conjunction with the backlash against Buddhism and the revival of Confucianism, women during the Song period entered a long
1 answer
330 views
1) Mass m1 = 0.7 kg moves with constant velocity v1i = 2.0 m/s along the x-axis and collides with mass m2 = 1.8 kg, which moves
1 answer
459 views
1) Mass m1 = 0.7 kg moves with constant velocity v1i = 2.0 m/s along the x-axis and collides with mass m2 = 1.8 kg, which moves
1 answer
412 views
Could someone help be understand the general addition rule for probability? It says P(A or B)= P(A)+P(B) - P(A and B). But I get
1 answer
880 views
Suppose P( A given B)= .6, P(at least one of the two events occurs)= .8, and P(exactly one of the two events occurs)=.6. Then
1 answer
388 views
The ¡°air¡± that fills the air-bags installed in automobiles is actually nitrogen gas produced by the
decomposition of sodium
4 answers
799 views
A small 0.469-kg object moves on a frictionless horizontal table in a circular path of radius 1.42 m. The angular speed is 6.31
3 answers
749 views
The density of a substance with a mass of 90g is 2 g/cm cubed. What is the volume?
1 answer
368 views
I need help solving this set of equations by substitution.
xy=2 3x − y + 5 = 0 I originally used (3x+5=y) and came up with
2 answers
871 views
A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible
3 answers
1,464 views
A rifle fires a 2.25 10-2-kg pellet straight upward, because the pellet rests on a compressed spring that is released when the
1 answer
1,208 views
Five years ago, Jane was 1/5 the age of her mother. Now she is 1/3 the age of her mother. Find their ages.
Please also tell me
1 answer
434 views
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2
1 answer
480 views
The most dominant merchant and traders of the Indian Ocean Trade network were
Chinese merchants Muslim and Arab merchants African
2 answers
588 views
lim x->0 x^sin(x)
3 answers
408 views
A baking dish is removed from a hot oven and placed on a cooling rack. As the dish cools down to 33° C from 181° C, its net
1 answer
1,215 views
Amy wants to reach, as quickly as possible, a destination of 5km downstream and on the opposite side of the river that is 1.5km
1 answer
428 views
Two jets are traveling toward each other and are 4000km apart. The rate of one jet is 100km/h faster than the rate of the other.
3 answers
1,392 views
Ms. Driva Reck drove from her home to a service station at 48km/h. She returned home by bicycle at 16km/h. The entire trip took
3 answers
806 views
A point charge +6.7 uC is placed at the origin, and a second charge –3.6 uC is placed in the X - Y plane at (0.40 m , 0.55 m
2 answers
1,116 views
Could someone pls. help me out on the following question:
find the producers surplus (to the nearest dollar ) at a price level of
1 answer
399 views
Which compound has a higher boiling point and why?
a. PF3 b. PF5
4 answers
2,191 views
A $20,000 deposit was placed in a bank paying 5.75% interest compounded quarterly. After 12 months, how much interest was
1 answer
380 views
((4sin(atan(4/3))-4sin(0)))-(-3cos(atan(4/3))-(-3cos(0)))+((-3cos(pi/2)-(-3cos(atan(4/3))))-(4sin(pi/2)-4sin(atan(4/3))))+((-3co
1 answer
372 views
What would be the effect of each of the following on the calculated molecular weight of the solute?
a) some cyclohexane
5 answers
4,464 views
A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The
4 answers
1,609 views
32% of women consider themselves fans of professional baseball. You randomly select six women and ask each if she considers
2 answers
623 views
32% of women consider themselves fans of professional baseball. You randomly select six women and ask each if she considers
2 answers
716 views
You are watching water waves pass a tide gauge fastened to the end of a pier. At their highest the crests reach a mark labeled
3 answers
688 views
When 4.54 g of a nonelectrolyte solute is dissolved in 565 mL of water at 29 °C, the resulting solution exerts an osmotic
2 answers
1,129 views
Need help with two questions. I've been stuck on them for a while now.
1) Find a general form of an equation of the line through
1 answer
470 views
347 O F = OC
2 answers
643 views
I must write Analysis, IPOChart, Hierarchy Chart, Flowchart, GUI Design,
Pseudocode, and Test Cases for an office supply
1 answer
434 views
4. Landon is standing in a hole that is 6.5 ft deep. He throws a rock, and it goes up into the air, out of the hole, and then
3 answers
1,051 views
Which radical expression is in simplified form?
A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root
7 answers
2,381 views
Simplify:
-11 square root 112 *A.) -44 square root 7 B.) -176 square root 7 C.) -27 square root 7 D.) 4 square root 7 Thank You
4 answers
768 views
What 1968 event caused U.S. military leaders to be concerned that a quick end to the war was not possible?
A.) The Students for a
4 answers
890 views
4(x+1/2)-2(x+3/2) less than. Or equal to 5 ( i. Solved it im just checking my answers to be sure )
3 answers
334 views
(2x+1)/5 - (x+3)/2. < 4x+10
1 answer
227 views
The volume of a cylinder is given by formula V= pi(3.14) r^2h where r is base radius and h is height
a) the height of a cylinder
4 answers
2,454 views
A tree growing on a slope of 13 degree to the horizontal is 14m tall. Find the length of the shadow it casts up the hill when
2 answers
535 views
k(4/7 + 1/7) + j =
1 answer
205 views
(x-5)^2 - 3(4-x)(5-x)
1 answer
201 views
Algebraic factorization
(2x-5)(3x+2)-(4x-10)(5x+4)
3 answers
445 views
Algae is 5 yrs younger than berenice. Tomas is 7 yrs older than berenice. The sum of ages of the three togather is 83' , how old
1 answer
419 views
AlgebrAic factorization
1)6(2a-3)(a+7)+18(2a-3)(3a+2) 2) (3x-4)(5x+1)-(5x+3)(4-3x) I know number 1 and 2 but just wanted to make
2 answers
860 views
1) (x+3)^2 - (x+1)^2
2) (x-4)^2 - 16(x+2)^2
1 answer
209 views
Algebraic factorization
1) (x+3)^2 - (x+1)^2 2) (x-4)^2-16(x+2)^2 3) 4(x+1)^2 -(2-x)^2
2 answers
722 views
Some antacid tablets actually contain a mixture of calcium carbonate and magnesium hydroxide (though
they usually have the same
1 answer
704 views
Spanish power grows
Im only stuck on this quesion, How were charles V and Philip ii alike and different in their goals of
3 answers
644 views
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on
5 answers
749 views
what happens if an athlete is pulling a sled angle attached to his hip, resulting in an angle of force of pull at 15 degrees to
1 answer
451 views
It takes a florist 3h 15min to make 3 small centerpieces and 3 large cebterpieces. It takes 6h 20min to make 4 small
3 answers
2,005 views
At some temperature, Keq = 33 for the reaction H2 + I2 „³ 2HI. If initially, [H2] = .0600 M and [I2] = .0300 M, what are all
3 answers
854 views
Staging in mechanical equilibrium. The person in the middle weighs 215 N, and the tensions in each rope are 200 N. What is the
1 answer
385 views
Initially, a spring-mass system completes 20.0 vibrations in 5.0 seconds, with a 2.0 cm amplitude.
The same mass is pulled 5.0 cm
4 answers
1,032 views
In a horse race, how many different finishes among the first 3 places are possible if 10 horses are running.
3 answers
587 views
From a standard 52 card deck, how many 5-card hands will have all hearts?
2 answers
481 views
A rectangular field has a length that us 2 meters less than 3 times the width. The perimeter is 188 meters. Find the dimensions
1 answer
423 views
According to the results of cross-cultural research, distal parenting often results in toddlers who are self aware but less
4 answers
597 views
Could you check my answers? Thanks.
1.Studies show that there are no significant differences between mother child play and father
4 answers
614 views
I have no idea on how to answer this question...
"Use technology or a standard normal distribution table to find the area to the
1 answer
431 views
I have no idea on how to answer this question...
"Use technology or a standard normal distribution table to find the area to the
3 answers
868 views
What is the problem of a short story
1 answer
430 views
what is the word for The lesson of a story should start with a T and is 5 letters long
4 answers
355 views
A cab charges $1.75 for the first mile and $0.25 for each additional mile. Write and solve an inequality to determine how many
6 answers
2,994 views
Solve two ways
315/9
1 answer
326 views
In a survey, 55% of the voters support a particular referendum. If 30 voters are chosen at random, find the standard deviation
2 answers
948 views
The flag pole is 14 feet high it cast a shadow of 5 feet. Dan is six feet tall what high is his shadow
2 answers
852 views
In a distribution of sentence lengths in months like the following: 6, 12, 10, 18, 24, 360; which statistic would a researcher
4 answers
955 views
Professor White asked his students to put the number of hours each studied for the final exam on a piece of paper and turn that
3 answers
1,114 views
To calculate the mean for grouped data, which of the following steps must be completed?
a. multiply the number of subjects within
3 answers
752 views
A medium-sized survey company stores sensitive government data that is used as part of the study. A security requirement from
1 answer
428 views
To calculate the mean for grouped data, which of the following steps must be completed?
a. multiply the number of subjects within
1 answer
418 views
What division sentence means the same as the following subtraction sentences? 12- 4 = 8 8-4=4 4-4=0
2 answers
539 views
number sense what division sentence means the same as the following subtraction sentences?
12-4=8 8-4=4 4-4=0
3 answers
567 views
Policy analysis searches for _____.
a. infeasible courses of action b. the generation of information and collection of evidence
3 answers
1,438 views
Policy analysis searches for _____?
a. the generation of information and collection of evidence of the benefits b. the
2 answers
734 views
Program evaluation differs from policy analysis with respect to _____.
a. the time dimension within the policy process b. the
2 answers
786 views
A car (m = 670.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 35.0 m. Find
1 answer
491 views
The velocity vector V1 has a magnitude of 4.0 m/s and is directed along the +x-axis. The velocity vector V2 has a magnitude of
2 answers
1,014 views
Two times the smallest of three consecutive odd integers is one less than the largest integer. Find the integers
4 answers
549 views
on monday carlos ran 1/8 of a mile. on wednesday he ran 5/6 of a mile. carlos ran 3/8 of a mile on friday. which day did calos
4 answers
1,159 views
lucy has a collection of buttons 2/3 of her buttons are square and 2/8 of her buttons are round. does lucy have more square
5 answers
828 views
If there are 6 red tiles and 5 blue tiles in a box, what are the chances that you will pick a red tile without looking?
4 answers
1,614 views
find the derivative of the function. Simplify where possible.
F(theta)=arcsin(square root of (sin9(theta)))
1 answer
362 views
For proton NMR spectra, does a peak at 0 ppm indicate anything significant or is it likely to be a signal arising from a
1 answer
481 views
find dy/d(theta)
theta=2 , if y=sin(pi/(square root(theta^2+5))) Show steps thanks!!!
4 answers
456 views
The County Roads Department is stockpiling salt for use next winter. The salt is being unloaded from
railroad cars by a conveyor
3 answers
514 views
Two vans leave a parking lot at the exact same time. A few minutes later, car 1 is 8 miles due east of the parking lot and car 2
2 answers
554 views
Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the
2 answers
510 views
An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water
is being pumped out of a spout 2m above the
2 answers
641 views
Ray has a board that is 16 feet long. He cuts off 11 feet to make a shelf. What is the length of the board that is left?
1 answer
463 views
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