Questions LLC
Login
or
Sign Up
Ask a New Question
grace
Questions and answers by visitors named
grace
Questions (178)
8.What is the mass of 4.56 moles of sulfur dioxide?
9.What is the mass of 4.56 molecules of sulfur dioxide? 10.How many formula
4 answers
3,895 views
how is finding a fractional part of a set different than finding a fractional part of a whole?
10 answers
3,689 views
i need to write 3 paragraphs wat should rita about how did i grown since september to this day can i have like opinion
what is a
1 answer
396 views
Is King Tut and Tutankhamen the same person?
Yes.
1 answer
464 views
does the bubbles in coke disappear faster or does the bubbles in the sprite disppear faster?
1 answer
361 views
A train averaged 80 km/h for the first half of its trip. How fast must it travel for the second half of the trip in order to
2 answers
1,062 views
a^-1 + b^-2 / a^-2 + b^-1
The answer is ab(b^2 + a) / b(b+a^2) How do I set that up and work the problem out? thanks for the help
1 answer
415 views
What were the stategies of the axis powers during WW11 used to build up their countries?
Also, Why did we use the atom bomb and
2 answers
500 views
what is the importance of cell theory to the study of biology
1 answer
331 views
how is a bridge nuilt, using mathematics??
1 answer
227 views
what did okonkwo do whenever he thought of his father's weakness and failure?
2 answers
587 views
how is the s phase of the cell cycle measured?
1 answer
369 views
what word families do the following belong to
woman ox goose mouse child foot thank you
1 answer
372 views
Why must the spectrometer be aligned each time a grating is replaced?
2 answers
472 views
If the grating is not properly aligned, what are the consequences on the average angular displacement and wvelength reading?
3 answers
614 views
Solve the equation. Round to the nearest hundredth:
1. 1.59x+4.23=3.56x+2.12 2. -3(1.25-2.48x)=8.15+5.86
1 answer
450 views
Solve the equation. Round to the nearest hundredth:
1. 1.59x+4.23=3.56x+2.12 2. -3(1.25-2.48x)=8.15+5.86
1 answer
439 views
how to start an essay about dealing with conflict at work
1 answer
366 views
maria practiced for 40 minutes on sat. she practiced 10 minutes less in the morning the in the afternoon? how many minutes did
1 answer
398 views
maria practiced for 40 minutes on sat. she practiced 10 minutes less in the morning the in the afternoon? how many minutes did
1 answer
381 views
the dutch came to america and established colonies near water. why?
1 answer
300 views
when aqueous solutions of copper II nitrate and sodium phosphate are mixed, sodium nitrate and copper II phosphate are formed.
4 answers
3,979 views
which reactant in the reaction of sodium carbonate and calcium chloride dihydrate is the limiting reactant if 1.00 gram of each
2 answers
1,122 views
Why is it necessary to wait until the filter paper containing a compound is completely dry before weighing it? and how would it
2 answers
1,190 views
when you hold a hydrogen filled pipet bulb horizontally with its mouth about 1 cm from a falme while gently squeezing what would
4 answers
1,010 views
when you insert a glowing wooden toothpick into a oxygen-filled pipet what would you observe?
a. nothing b. the glow of the
3 answers
895 views
when I bubbled Alka selzer into limewater I believe all I saw was small bubbles form. is that correct and why? if not what
3 answers
395 views
what is observeed when carbon dioxide was bubbled into bromothymol blue?
a. the color of the solution changed from greenish to
4 answers
1,384 views
what is the appearance of:
Iron? Sulphur? A mixture of both when heated?
1 answer
425 views
A small first aid kit is dropped by a rock climber who is descending at a constant velocity of
- 1.3m/s. a) Sketch the velocity
1 answer
448 views
Two students are on a balcony 29.4 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same
1 answer
413 views
If a car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s2. The driver then applies the
4 answers
858 views
An engineer is designing a runway for an airport. Several planes will use the runway and the
engineer must design it so that it
4 answers
2,530 views
Two cars travel westward along a straight highway, one at a constant velocity of 85 km/hr, and the other at a constant velocity
4 answers
6,077 views
could someone tell me how to do this?
1. A diagram illustrating several tugboats applying forces to a barge is shown below. What
6 answers
533 views
Of the following types of information, which one has the strictest rules regarding the release of information?
A. substance abuse
1 answer
443 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?
2.How many formula units are in a sample of salt with a
3 answers
1,379 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?
2.How many formula units are in a sample of salt with a
2 answers
796 views
What is the mass of a mole of
Sodium Carbonate?
3 answers
290 views
find in implicit form, the general solution of the differential equation
dy/dx = 2(e^x-e^-x)/y^2(e^x+e^-x)^4
1 answer
400 views
A car is travelling at 42.4 km/h on a flat highway. The acceleration of gravity is 9.81 m/s^2. If the coefficient of friction
2 answers
495 views
i need 3 examples of supension. any suggestions?
1 answer
415 views
A flat stone is thrown horizontally across a frozen lake. If the stone decelerates at 2.5 meter per second squared, what is the
2 answers
492 views
Suburban Population. The following charts show the populations for two suburbs from 1980 to 1990, where x = 0 correspond to
3 answers
758 views
Solve the inequality algebraically. Graph your solution on a number line.
1 answer
479 views
Write the equation of the line satisfying the given condition.
Perpendicular to y = 4x + 2 and passing through the point (0, -4)
5 answers
1,695 views
Write the equation of the line satisfying the given condition.
Parallel to y = (2/3)x +1 and passing through the point (0, -3).
2 answers
488 views
TGIF. Chris and Terry have been trying to live within their budget but miss going out to dinner on Friday nights. They decide
2 answers
968 views
A man pushing a mop across a floor causes the map to undergo two displacements. The first has a magnitude of 200 cm and makes an
2 answers
515 views
does elements with low energy have high frequency?
3 answers
944 views
what will i answer if the question is " identify the symmetry" is it even/odd FUNCTION or Even/odd SYMMETRY?
1 answer
362 views
in emission spectrum which one has a highest frequency and highest energy is it blue red or violet? which one is the lowest?
3 answers
509 views
outline why energy is needed for each of these processes:
a. the transport of sucrose in a plant b the transmission of an action
3 answers
423 views
explain why the synthesis of proteins, DNA and RNA requires energy.
thanks :)
2 answers
805 views
how to figure 75% of 620
1 answer
267 views
The driver of a 1560 kg automobile traveling at 24 m/s on a leve, paved road hits the brakes to stop for a red light. determine
1 answer
451 views
concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid
3 answers
1,392 views
in the month of May, ronald earned $4.36 in interest on his saving account. if his interest rate is 0.2%, how much money was in
1 answer
356 views
describe and compare total resource use per capita in developed and developing countries
1 answer
401 views
I have a question. I think I'm wrong, so I want to ask if it's right. If I do 3/4 x 1 5/6 x 7/4 x (-2 3/8) would the answer be
1 answer
236 views
120ml of a solution whose concentration is 30g/ml was diluted with distilled water by raising its volume to 160cm3. Calculate
3 answers
371 views
Please I want to know how many litres make a metric tone.
1 answer
314 views
tommy builds a human sling shot that has an elastic constant of 4000 N/m. He puts his little sister in it and pulls it back for
3 answers
363 views
if two dices are tossed together, the probability that the product will be less or equal to 18 what?
1 answer
344 views
On an exam whose scores followed a normal distribution, a student's z-score was
+2. What percentage of students scored better
4 answers
1,487 views
Explain the focus on the idea of natural law as an extension of human nature during the conclusion of the seventeenth century.
3 answers
418 views
if there are 10 more girls than boys in a club with 60 members, how many are boys?
1 answer
392 views
What is the probability that a randomly selected three-digit number has the property that one digit is equal to the product of
3 answers
504 views
A passenger on a moving train tosses a coin with an initial velocity of (-2.25 m/s)x unit vector + 4.26 m/s)y unit vector (from
1 answer
455 views
what do oxygen and sugars do in photosynthesis
1 answer
260 views
what is the area of a section bounded by a closed elliptical figure in which the major and minor segments measure 60 cm and 45
2 answers
656 views
a sample of sulphuric acid is 95.7% by mass and has a density of 1.84g/cubic cm.calculate the mass of pure H2SO4 in a 2.00L
3 answers
1,160 views
hi, i'm currently applying for the national junior honor society, and i'm working on my essay. any ideas what i should
3 answers
920 views
what is the total heat lost if you have 8 grams of copper and the temperature changed from 43°C to 36°C
2 answers
910 views
from a standard deck of 52 cards, how many different five-card hands can be drawn?
2 answers
800 views
6 ways in which earthquake can impact negatively on one's health
1 answer
684 views
At a point on the ground 80ft from the base of a tree,the distance to the top of the tree is 11ft more than 2 times the height
2 answers
753 views
Two large horizontal metal plates are separated by 4mm. The lower plate is at a potential of (-)6v.What potential should be
3 answers
1,457 views
Two charges Q 1 =500/mu(C) and Q 2 =100/mu(C) are located on the XY plane at the positions r1=3/vec(j)m and r2=4/vec(i)m. Find
1 answer
350 views
if U=i+3j-2k and V=4i-2j-4k are vectors find U.V, 3U+V& (2U+V).(U-2V) (a)6,10,4(b)4143(c)11,4,5(d)5,11,6
2 answers
886 views
Given that r1=6i-8j+2k,r2=4i+5j+7k,r3=-2i+j+6k is a vector. Find r1r2,r2r3,r3r1(a)30,21,-8(b)26,23,8(c)24,19,-7(d)19,27,7
3 answers
398 views
int x^2/(x-2)(x^2+1)dx
1 answer
293 views
int dx/3sinx+4cosx dx =
4 answers
571 views
int e^5xsin3xdx =
3 answers
434 views
Determine l= 2e^xdx, given that l=50.2, when x=3
1 answer
351 views
find the area enclosed between the x-axis and the curve, if y=x^3+2x^2+x+1 between x=-1 and x=2
1 answer
360 views
find the area enclosed between the x-axis and the curve, if y=x^3 and the straight line y=x
1 answer
404 views
find the area enclosed between the x-axis and the curve, if y=x^2-25 for (-5) is less than or equal to x less than or equal to 5
1 answer
350 views
After solving with A=(-1,2) x^2+2x^2+x+1 got 119/12a pls where did i get it wrong. And with -[(-55)] x^2-25dx i got -50 pls am i
1 answer
364 views
can you explain the predicate and complete predicate in a sentence
3 answers
357 views
In a class of 40 students, 27 like math and 25 like Filipino. At most how many students do not like at least one of these
6 answers
1,933 views
In the basketball game, Sarah made three times as many 2-point shots as 3-point shots. She made 8 shots in all. How many 2-point
2 answers
690 views
In the laboratory a student finds that it takes 20.7 Joules to increase the temperature of 11.0 grams of solid platinum from
2 answers
523 views
which figure must have both parallel and perpendicular sides.
1.parallelogram 2. rectangle 3. rhombus 4. right triangles
2 answers
505 views
A number from 20 to 30 is drawn at random.
Posibility of it not a 23
1 answer
372 views
In a certain particle, a current of 0.50 mA is carried by a 5.0MeV proton beam that has a radius of 1.5 mm. Find the density of
3 answers
553 views
15y-21=3(5y-7)
1 answer
341 views
find three consecutive odd integers that their sum decrease by the second number, equals 50.
4 answers
449 views
explain how you would use a number line to round 148 to the nearest ten
1 answer
397 views
Braden and Bialy each bought a kazoo for $0.89. They each paid with a $1.00 bill. Expalin two different ways to show their
1 answer
445 views
Pages
1
2
