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Questions (329)
is 3 times 41 120
1 answer
304 views
a gate 6m wide requires a force of 5.2 kg.wt. applied at the end to open it. what force would have to be applied (A) at the
1 answer
417 views
The element strontium has ccp packing with a face-centered cubic unit cell. The volume of the unit cell is 2.25 x 10-25 L.
1 answer
684 views
When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is
2 answers
7,205 views
could the quantitative precipitation be useful to determine the mass percent of copper in a sample that also contains magnesium
1 answer
493 views
find the value of each variable
3m+5+4m-10
2 answers
961 views
a car rolls down an incline starting from rest A graph
0 answers
418 views
a golfer takes two putts to get the ball into the hole once he is on the green. the first putt displaces the ball 2.7m east and
0 answers
513 views
if my mass of my aluminum cube is 5.45 and volume is 2 ml, what i my density?
1 answer
416 views
A force of magnitude 7.50 N pushes three boxes with masses m_1 = 1.30 kg,m_2 = 3.20 kg, and m_3 = 4.90 kg .The mass is side by
2 answers
824 views
if there were no buffers in our blood, what would happen when we drank something acidic?
1 answer
417 views
If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?
0 answers
381 views
If I have 10 grams of NaOH in 4 Liters of water, what is the molarity
1 answer
405 views
The doctor orders 5 mg/kg medication to be given to a patient who weighs 121 lbs. On hand, we have 0.1 g/ml.
How many mg will the
1 answer
578 views
how 2 write 7th may 2011 in 5letters without using numberss
1 answer
364 views
can someone please explain how to indicate where a label appears in a product? for example:
where the label appears in
0 answers
950 views
howw would you define the speaker's love for annabel lee ?would you want to feel or be the object of such a love ? explain why
1 answer
2,597 views
a draw holds 5 navy socks, 7 white socks and 6 black socks. if two socks are selected at random without looking what is the
1 answer
505 views
How does the far north of the region differ from the rest of the region?
2 answers
422 views
A man wants to build a rectangular pen in which to keep his dog. If he uses one side of his barn, what is the maximum area that
1 answer
547 views
penny has 25 dimes. she likes to arrange them into three piles, putting an odd number of dimes into each pile. in how many ways
5 answers
2,186 views
solve by elimination
x+3y=0 2x+6y=5
1 answer
433 views
ABCD is a parallelogram. solve for x and find the lengths of BC=16+2x and AD=10+8x
2 answers
2,586 views
explain why mutations are almost always neutral or harmful
0 answers
405 views
600 mL of an unknown monoprotic acid was titrated with a standard solution of a 1.0 M base. If it took 40.0 mL of the base to
1 answer
559 views
whats the crossing the threshold for shrek the mivie?
0 answers
339 views
music or words for four children's songs 2 must be from other cultures.must write song title, the name of the person who wrote
1 answer
574 views
5 pamplets or copies that help parents understand how children grow and learn.
2 answers
367 views
Alik Amal is a bar in Panama City, Florida. In April 2008, rowdy spring break
guests damaged a jukebox that had been purchased in
0 answers
355 views
Glenmore Corp. purchased a fax machine at the beginning of 2007.
The fmx machine cost s1,000 and is expected to last live years
1 answer
524 views
Adnan's Flower Shop provides floral arrangements for holidays and events.
Adflans sold Oxford Cdy Hall a holiday arrangement for
0 answers
418 views
The following table gives the cost and revenue, in dollars, for different production levels, q. Answer the questions below.
q 0
0 answers
884 views
At a production level of 1400 items, the total cost is $7250 and the marginal cost is $25. Use this information to estimate the
1 answer
989 views
unscramble artiotinm
1 answer
392 views
we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment.
the
0 answers
550 views
we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment.
the
1 answer
609 views
we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment.
the
0 answers
581 views
what were the two images paine uses in the first 10 lines of the crisis. what kinds of poeple does paine identify thes images?
1 answer
521 views
which variable is the dependent variable?
2 answers
389 views
answer the question with a complete sentence that uses a word from the spelling list. add a sufix to the underline word to
2 answers
747 views
-2 2/3 ÷3 ? 5(-2.4)
multiply or divide.then compare using <,>,=
1 answer
379 views
multiply or divide. Then compare using <,>, or =
10(-1/2) ? 20÷4 can some on do it 4 me please
5 answers
366 views
what does intertia means?
3 answers
324 views
add or subtract,
-8-3 -8-3= -8+(-3) 3+8= -11
6 answers
400 views
i don't know how to do this
1/2> on the top is??? on the right 1/2 on the butttomm?????
2 answers
264 views
whats the meaning of ..The more i stretch and exercise, the more flexible my joints become....i need the context clue..please
2 answers
538 views
simplify the expression -10xy - 15y / 5y
-10xy -3y^2 is my answer rigth or wrong
1 answer
535 views
which is the simplest form of the radical expression sqrt (10)+6sqrt(10)+-3sqrt(10)
3 answers
1,153 views
1) write net equations for the reactions in which of the following ions?
sulfate aion- chloride ion-
1 answer
403 views
calculate the number of atoms of C of 25.0g C?
1 answer
416 views
Which of the following would be the LEAST appropriate in the closing paragraph of a negative message? Let us know if model #A01
1 answer
1,050 views
Which of the following would NOT be an informative or positive message?
Summary Procedures Manual Transmittal Direct request
1 answer
522 views
Evaluate a company that has personal issues that must be resolved. Read the following scenario to evaluate Taylor Inc.
5 answers
665 views
1. How many joules of energy must be absorbed to raise the temperature of 20 grams of water from 25°C to 30°C?
2 answers
1,257 views
What did Thomas Jefferson & Benjamin Franklin say or write to influence the Declaration Of Independence ?
1 answer
479 views
Two ships leave a harbor together traveling on courses that have an angle of 124° between them. If they each travel 511 miles,
1 answer
3,555 views
The sides of a parallelogram are 15 ft and 17 ft. One angle is 40° while another angle is 140°. Find the lengths of the
2 answers
1,200 views
Suppose that two people, Mary and John each live alone in an isolated region. They each have the same resources available, and
3 answers
631 views
in the layer ofsedimentary rocs the oldest can be find in where
1 answer
311 views
Mr. Rosart selects two students from his class to present their book reports. He places the names of each student in a box and
0 answers
980 views
List three attitudes of management that can inhibit the establishment of a high standard of customer service and explain each
1 answer
445 views
At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition,
2 answers
595 views
George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in
1 answer
828 views
George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in
1 answer
773 views
Ceckpoint Introduction and conclusion.
I am having a problem with writing an introduction for my research paper and a conclusion.
4 answers
837 views
If an athlete weighs 153lb and has 15.0% body fat by weight, how many pounds of fat does the athlete's body contain?
2 answers
3,166 views
If motivation consists only of drive-reduction, what is the perfect state of a human being?
Competitive, hard driving Not hungry,
3 answers
603 views
0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a
1 answer
1,006 views
A 240 g ice cube at -10 C is placed in an aluminum cup whose initial temperature is 70 C. The system comes to an equilibrium
1 answer
646 views
4. Which of the following species is extinct?
1 American bald eagle 2 bison (buffalo) 3 passenger pigeon 4 giant panda
0 answers
500 views
How does the spin of an electron affect its energy?
1 answer
355 views
7.7 mol of helium are in a 16 L cylinder. The pressure gauge on the cylinder reads 65psi. What are (a) the temperature of the
10 answers
785 views
This is the last time I'm posting this question. So pleas don't get mad.
How many atoms of hydrogen are in 220 g of hydrogen
1 answer
694 views
At what temperature is the rms speed of helium molecules half its value at STP (0 C, 1.0 atm})?(answer in K)
I think i need to
4 answers
851 views
7.7 mol of helium are in a 16 {\rm L} cylinder. The pressure gauge on the cylinder reads 65psi. What are (a) the temperature of
1 answer
658 views
31m/s is a typical highway speed for a car.
At what temperature do the molecules of nitrogen gas have an rms speed of 31 m/s?
2 answers
528 views
At what temperature is the rms speed of helium molecules half its value at STP (0 C}, 1.0 atm)?
3 answers
466 views
how do you find the mass of a nitrogen molecule?
3 answers
349 views
How many atoms of hydrogen are in 220g of hydrogen peroxide (H2O2)?
This is what I did so far: the molecular weight of H2O2 = 2*1
11 answers
1,654 views
7.7mol of helium are in a 16L cylinder. The pressure gauge on the cylinder reads 65psi. What are (a) the temperature of the gas
2 answers
605 views
31m/s is a typical highway speed for a car. At what temperature do the molecules of nitrogen gas have an rms speed of 31m/s?
T=[(
1 answer
578 views
Total lung capacity of a typical adult is approximately 5.0L. Approximately 20% of the air is oxygen, as air is 20% oxygen. At
3 answers
2,630 views
On a cool morning, when the temperature is 13 C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on
4 answers
1,757 views
18g of liquid water is placed in a flexible bag, the air is excluded, and the bag is sealed. It is then placed in a microwave
2 answers
646 views
How many atoms of hydrogen are in 220g of hydrogen peroxide (H2O2)?
the molecular weight of H2O2 = 2*1 +2*16 =34 therefore, there
1 answer
3,312 views
How many grams of water (H_2O) have the same number of oxygen atoms as 1.0 (mol} of oxygen gas?
4 answers
2,077 views
How many grams of water (H_2O) have the same number of oxygen atoms as 1.0 (mol} of oxygen gas?
atomic mass of H is 1 and O is
3 answers
2,384 views
The 3.0 cm-diameter water line splits into two 1.0cm-diameter pipes. All pipes are circular and at the same elevation. At point
4 answers
3,882 views
A 10cm times 10cm times 10cm wood block with a density of 700kg/m^{3} floats in water. What is the distance from the top of the
4 answers
1,540 views
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.
Flow rate Q = volume/time = speed * cross
3 answers
690 views
How many grams of water (H_2O}) have the same number of oxygen atoms as 1.0mol of oxygen gas?
1 answer
582 views
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.
Flow rate Q = volume/time = speed * cross
2 answers
594 views
A 10cm times 10cm times 10cm wood block with a density of 700kg/m^{3} floats in water. What is the distance from the top of the
1 answer
629 views
What is the gas pressure inside the box shown in the figure?
I have a picture but website wouldn't allow me to post the link for
8 answers
4,218 views
A 10cm times 10cm times 10cm wood block with a density of 700kg/m^{3} floats in water. What is the distance from the top of the
4 answers
676 views
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?
3 answers
800 views
if today is sunday jan 9, tuesday will be jan ll, december____, february_____=25
0 answers
369 views
During an art contest at your school you and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest
2 answers
425 views
if you had a fraction strip folded into tenths what fractional lengths could you measure with the strip?
1 answer
492 views
can someone proofread my homework? is just 5 pages.pleaseee is urgent
1 answer
383 views
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