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lea
Questions and answers by visitors named
lea
Questions (72)
1. How much heat is released when 9.22 grams of glucose C6H12O6 reacts according to the following equation?
C6H12O6 + 6O2 -->
4 answers
2,594 views
A cylinder within a piston expands from a volume of 1.00 L to a volume of 5.50 L against an external pressure of 4.50 atm.
Part A
5 answers
1,407 views
Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Part A Calculate ΔH∘rxn
4 answers
1,684 views
it took cindy 2h to bike from abbott to benson at a constant speed. the return trip took only 1.5h because she increased her
1 answer
1,128 views
whats the next # in this sequence:
52, 28, 33, 63, 73, 23, 56 i really need help so if anyone can answer it would be great. sorry
1 answer
442 views
ahh i need help, when do i use his or her, thier, or its????soo confusing!!
THANK
1 answer
554 views
What does identifying variables on a table or graph mean..? (what variable?)@.@ Also when do i connect dots on a graph and not
1 answer
406 views
solve for the unknown 4/X = 3/15
1 answer
335 views
1. find the rate 635ft./5 seconds=
2. complete the statement 82cm = mm 3. complete the statement 15g = kg 4. sabrina has the
1 answer
451 views
I need help forming an equation for this word problem..
A long distance phone company charges $0.027 per minute and a $2 monthly
4 answers
1,160 views
Which of the following selections contains a fragment? If none of the selections contains a fragment, select
"Correct." (Points:
4 answers
554 views
how does newton's laws apply to a toothpicks bridge
1 answer
343 views
I'm doing an ABC book for Medieval terms, and I have to draw a picture for each term.
What could I draw for the Orthodox Church?
1 answer
472 views
what is 5 on the square root of 2m divied by 5 on the square root of 3m cubed
1 answer
836 views
i need help with square roots?
1 answer
633 views
A cylindrical tin can holding 2 gal.has its height equal to the diameter of its base.Another cylindrical tin can with the same
2 answers
589 views
translate spanish to inglish
1 answer
452 views
how can say
you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear
3 answers
609 views
how can say
you can use forceps during a science inquiry to pick up a small object place it under the microscope it will appear
3 answers
1,073 views
The larger of two numbers in 8 times the smaller. The difference between them is 42. Find the numbers. Write the equations. Find
4 answers
1,522 views
Eighty people are separated into 2 groups. The first group is 8 less than 3 times as large as the second. Find the number of
2 answers
518 views
A rectangle has a length of 4x and a width of 4x-2. Its perimeter is 12 inches. Find the length and width. Write the equations.
2 answers
590 views
The length of a rectangle is 4 times the width. The perimeter is 50cm. Find the length and width. Write the equations. What is
2 answers
789 views
A boat is rowed down a river a distance of 16 miles in 2 hours and it is rowed upstream the same distance in 8 hours. Let r
2 answers
884 views
The average airspeed of a single-engine aircraft is 150 milesper hour. If the aircraft flew the same distance in two hours with
3 answers
780 views
The measure of one angle is 15 degrees more than half the measure of its complement. Find the measure of the two angles.
2 answers
713 views
The measure of one angle is 30 degrees less than one-third the measure of its supplement. Find the two angles.
4 answers
1,609 views
Water has a bent molecular shape, but what if water had a linear molecular shape would the molecule be polar or non-polar?
3 answers
580 views
Can a solution of CrCl3 be stored in an aluminum container?
3 answers
1,609 views
A silver ring is dropped in a solution of Pb(NO3)2 for a certain period. Will you find it intact? Explain.
4 answers
1,321 views
What volume of H2SO4 0.04 M is required to completely neutralize 200 mL of Al(OH)3 0.02M?
3 answers
1,110 views
find the number of 8 units to the right of -3
2 answers
845 views
A 18.2 g sample of an unknown compound contains 0.7 g of oxygen. What is the percent by mass of oxygen in the compound?
2 answers
697 views
Express the following numbers in scientific notation.
(c) 0.9589 (d) 745 (e) 74100 (f) 0.002031
1 answer
392 views
A firm hires a pool of financial consultants to discuss portfolio recommendations with its clients. The CEO believes that
2 answers
534 views
A firm hires a pool of financial consultants to discuss portfolio recommendations with its clients. The CEO believes that
3 answers
560 views
Cinemark Theaters knows that a certain hit movie ran an average of 84 days in each city, and the corresponding standard
4 answers
605 views
A manufacturing firm is planning the initial public offering of its stock in order to raise sufficient capital to finance a new
1 answer
454 views
Question: A tectonic plate that is being subducted along much of its boundary tends to move _________ a tectonic plate that is
2 answers
579 views
a bullet is fired horizontally from the top of a cliff that is 30m above a long lake. if the horizontal speed of the bullet is
2 answers
552 views
350 student in the school, 3 boys for every 2 girls how boys are there?
1 answer
368 views
Ron has a piece of rope 6 1/2 long,Tony has one that is 7 2/3m long.How long are their ropes if put together?
4 answers
754 views
2-squre of 3
1 answer
305 views
Data (x,y) for the total number (in thousands) of college-bound students who took a test in the year x are
3 answers
1,905 views
Iceland straddles the divergent boundary that runs through the middle of the Atlantic Ocean. As it crosses Iceland, the boundary
4 answers
834 views
14. The demand function for a monopolist’s product is 𝑝=√500−𝑞. If the monopolist produces at least 100 units, but
4 answers
1,283 views
There are a red roses in a garden. This is twice as many as there are white roses. How many roses are there in all?
7 answers
1,921 views
5 3/4 of a watermelon is shared amongst 9 people. How much does each person get?
1 answer
181 views
1. A chemistry student added 22.5 grams of aluminum at 85.00C to 115 grams of water at 23.00C in a perfect calorimeter. The
2 answers
480 views
How much heat is required to warm 1.60 L of water from 22.0 ∘C to 100.0 ∘C? (Assume a density of 1.0g/mL for the water.)
Expr
3 answers
671 views
A silver block, initially at 55.1∘C, is submerged into 100.0 g of water at 25.2∘C in an insulated container. The final
4 answers
1,331 views
Calculate the final temperature that results from mixing 100.0 grams of water at 1000C with 106.0 grams of water at 24.80C?
1 answer
264 views
How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.8 L against an external pressure of 1.2 atm ?
Exp
4 answers
1,409 views
A 2.45 g sample of a substance suspected of being pure gold is warmed to 72.9 ∘C and submerged into 15.6 g of water initially
4 answers
3,007 views
A gaseous fuel mixture contains 20.9% methane (CH4), 43.2% ethane (C2H6) and the rest propane (C3H8) by volume.
Part A When the
4 answers
1,003 views
Nitromethane (CH3NO2) burns in air to produce significant amounts of heat via the following reaction:
2CH3NO2(l)+32O2(g)→2CO2(g
4 answers
1,257 views
One tablespoon of peanut butter has a mass of 16 g . It is combusted in a calorimeter whose heat capacity is 110 kJ/∘C . The
4 answers
2,996 views
A hydrogen atom’s electron moves from the n=4 level to the n=6 level. What is the wavelength of light associated with this
4 answers
1,293 views
What is the area of a rectangle with a length of 1/2 meter and a width of 11/6 meters?
2 answers
182 views
Read the excerpt from Sinbad the Sailor.
During the voyage we touched at several islands, where we sold or exchanged our goods.
1 answer
90 views
After studying different periods in ancient art, your classmate Deven notices that women are not recognized as artists during
6 answers
547 views
what is the prime factorization of 225
1 answer
89 views
how do i find the prine factorization of 225
1 answer
65 views
what's 4 as a fraction
1 answer
45 views
whats 4 as decimal
1 answer
60 views
whats 4 as percentage
2 answers
68 views
is 4 > p + 2 equal to 4
2 answers
62 views
whats 4>p+2 equal to
2 answers
67 views
whats 3p<12 equal to
1 answer
60 views
whats p+7>10
2 answers
50 views
is p+7>10 equal to 4
2 answers
58 views
what is p-2<10 equal to
2 answers
47 views
