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In winemaking, the sugars in grapes undergo fermentationby yeast to yield CH3CH2OH and CO2. During cellularrespiration, sugar
1 answer
953 views
In winemaking, the sugars in grapes undergo fermentationby yeast to yield CH3CH2OH and CO2. During cellularrespiration, sugar
0 answers
675 views
In winemaking, the sugars in grapes undergo fermentationby yeast to yield CH3CH2OH and CO2. During cellularrespiration, sugar
0 answers
746 views
In winemaking, the sugars in grapes undergo fermentationby yeast to yield CH3CH2OH and CO2. During cellularrespiration, sugar
0 answers
634 views
In winemaking, the sugars in grapes undergo fermentationby yeast to yield CH3CH2OH and CO2. During cellularrespiration, sugar
0 answers
610 views
Which of Earth sprees contain most of the mass?
1 answer
326 views
Please help me with my midterm review my teacher was out sick today and idk how much longer she will be but my midterms
0 answers
1,036 views
A 1.50 g sample of glucose (C6H12O6) is burned in a bomb calorimeter that contains water at 25.0 0C. The heat capacity of the
1 answer
2,008 views
rank the gases Ar, N2,CH4, and C2H6 in order of the increasing density at STP
answer: CH4<N2<C2H6<Ar please help me solve this
1 answer
5,734 views
Consider the generic reaction: 2 A(g)+ B(g)--> 2C(g).
If a flask initially contains 1.0 atm of A and 1.0 atm of B, what will be
1 answer
8,153 views
A sample of Xe takes 75 seconds to effuse out of a container. An unknown gas takes 37 seconds to effuse out of the identical
1 answer
5,008 views
which gas has the greatest kinetic energy at STP?
a)He b)Ne c)Ar d) None of the above(All have the same kinetic energy) how do I
3 answers
5,244 views
A gas sample at STP contains 1.15 oxygen and 1.55g nitrogen. What is the volume of the gas sample?
the answer 2.04. I want to
2 answers
12,527 views
which gas sample has the greatest volume at STP?
a)10.0g Ar b)10.0g Kr c) 10.0 g Xe d) none of the above (They all have the same
2 answers
2,487 views
A 255mL gas sample contains argon and nitrogen at a temperature of 65 degrees celsius. The total pressure of the sample is
2 answers
3,899 views
A gas mixture in a 1.55L at 298K container contains 10.0g Ne and 10.0g Ar. Calculate the partial pressure " in atm" of Ne and Ar
2 answers
4,239 views
A skier launches off a ski jump with a horizontal velocity of 25.3 m/s (and no vertical velocity component).
a) What is the
1 answer
981 views
A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank.
4 answers
1,160 views
15.00mL sample of a solution of H2SO4 of unknown concentration was titrated with 0.3200 N NaOH. The titration required 21.30mL
1 answer
2,449 views
what is 3.9370007 in scientific notation
thanks
1 answer
342 views
Why should a dilute NaOH solution be used for the standardization of NaOH in the analysis of Aspirin using back titration?
0 answers
680 views
Biosocial science is a new area of science that has developed from recent discoveries. These discoveries include new information
1 answer
696 views
for each of the following acid-base reactions calculate the mass (in grams) of each acid necessary to completely react with and
1 answer
1,740 views
A stick 60 cm long is cut into two pieces in yhe ration 2:3 how long is each
P.s I need it on September 23 4:00 am plssssssss
1 answer
388 views
you have a piece of wood that is 144 inches long. you cut it into three pieces. the second piece is 12 inches longer than the
1 answer
783 views
A normal distribution has a mean of 44 and a standard deviation of 4.
What is the probability that a value drawn from the
2 answers
1,101 views
a boat travels on a course of bearing n 37 10' W for 79.5 miles. How many miles north and how many miles west has the boat
3 answers
4,051 views
Prove
sin theta ( sec theta+ csc theta)= tan theta+1
1 answer
447 views
A 78.9g sample of HCN contains 0.290g of H and 4.06g of N. Find the mass of carbon in a sample of HCN with a mass of 3.37 g
1 answer
767 views
A particle with a mass of 0.660 kg is attached to a horizontal spring with a force constant of 23.76 N/m. At the moment t = 0,
1 answer
810 views
The position of a particle is given by the expression x = 2.00 cos (6.00πt + π), where x is in meters and t is in seconds.
(a)
1 answer
2,045 views
If a bottle and a cork cost $2.00, and the bottle is $1.00 more than the cork, what is the cost of each?
1 answer
497 views
A GAS EXPANDS IN VOLUME FROM 26.7 ML TO 89.3 ML AT CONSTANTTEMPERATURE. CALCULATE THE WORK DONE (IN JOULES) IF THE GASEXPANDS
3 answers
2,425 views
A 2.50 kg fireworks shell is fired straight up from a mortar intending to reach 110m. How much downward force is created to
1 answer
681 views
Calculate the initial velocity for each using the average time of fligh up, the acceleration of gravity and the initial
1 answer
472 views
Calculate the initial velocity for each using the average time of fligh up, the acceleration of gravity and the initial
0 answers
453 views
The base of a right prism is a rhombus with a side of 10 cm and an altitude of 9.6 cm. Find the diagonals of the prism if the
1 answer
1,647 views
The speed of a projectile when it reaches its maximum height is 0.42 times its speed when it is at half its maximum height. What
2 answers
4,715 views
A pistol is fired horizontally toward a target 120 m away but at the same height. The bullet's velocity is 200 m/s. How long
5 answers
4,896 views
What are some of the distinctive properties of gases with respect to: density, volume, shape?
1 answer
448 views
A stone is shot upward with a speed of 24.4 m/s from a tower and lands at the base of the tower with a speed of 44.0 m/s. How
1 answer
522 views
What were the original goals and purposes of the containment policy in 1946?
How did the policy change its meaning over time?
2 answers
568 views
Will 1 L of 1 M NaCl contain more chloride ions than 0.5 L of 1 M MgCl2 explain.
One liter of 1 M NaCl contains________ mole(s)
1 answer
3,094 views
(a) How many grams of KNO3 are needed to make 430 mL of a solution that is to contain 2.9 mg/mL of potassium ion?
1 answer
658 views
Vector C has a magnitude 25.8 m and is in the direction of the negative y-axis. Vectors A and B are at angles α = 41.9° and β
5 answers
8,910 views
One endpoint of a line segment is (8, −1). The point (5, −2) is one-third of the way from that endpoint to the other
10 answers
14,017 views
Name a point that is between 50 and 60 units away from (7,-2) and state the distance between the two points.
1 answer
3,746 views
find the equation of the
line that describes all points equidistant from the points (1, 2) and (4, 5).
1 answer
1,065 views
A rectangle ABCD has three of its vertices at A(2, 1),
B(6, 1), and C(6, 3). Find the fourth vertex D and the area of rectangle
1 answer
817 views
M(2.1, 5.7) is the midpoint of , in which A is the
point (1.7, 2.3). Find the coordinates of B.
1 answer
426 views
Points A and B have symmetry with respect to point C.
Find the coordinates of C given the points: a) A(3, 4) and B(5, 1) c) A(5,
4 answers
1,134 views
Points A and B have symmetry with respect to the
origin O. Find the coordinates of B if A is the point: a) (3, 4) c) (a, 0) b)
1 answer
1,143 views
10. Find the midpoint of the line segment that joins each pair of points:
a) (Ϫ3, Ϫ7) and (2, 5) c) (Ϫa, Ϫb) and (a, b) b)
1 answer
479 views
If the distance between (b, 3) and (7, 3) is 3.5 units, find all possible values of b.
3 answers
779 views
How many calories are required to change 259 g of ice at 0 °C to steam at 100 °C?
1 answer
527 views
Mount McKinley in Alaska is the tallest peak in North America with a summit at 20,320 ft, or 6194 m. It is also known as Denali,
1 answer
1,379 views
If 125 g of ice at 0.0°C is added to 1.95 L of water at 90 °C, what is the final temperature of the mixture?
1 answer
477 views
How many joules of energy are needed to change 114 g of water at 16.5°C to steam at 100°C?
1 answer
665 views
Upon heating 134 g MgSO4 · 7 H2O:
(a) how many grams of water can be obtained? (b) how many grams of anhydrous compound can be
1 answer
3,329 views
I can't figure out how to do this.
design an experiment you could construct that might measure the amount of work it takes to
1 answer
528 views
What is the pH of a 0.400 molar HCl solution?
I did -log(.4)=.398. That seems too low. I think I need to find the molarity (M) of
3 answers
670 views
There are 2 high and 2 low tides each day. Why do this many tides occur each day?
1 answer
465 views
Five friends shared 2 packs of paper equally. What fraction of a pack of paper did each friend get? I think 2/5
2 answers
746 views
Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function x^2 is
1 answer
852 views
Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function x^2 is
1 answer
1,846 views
The length of a rectangle is 3x+10 feet and its width is x+12 feet. If the perimeter of the rectangle is 76 feet, how many
2 answers
1,000 views
A random sample obtained from a population has a mean of µ=100 and a standard deviation of ó = 20. The error between the
1 answer
632 views
what is the cost of a dinner when there is a 0 rating when y hat=1.6+2.9x
0 answers
400 views
Using the Absorbance (0.455) of your Unknown SCN- solution and the slope (3163.9) from your Calibration Curve, calculate the
1 answer
1,204 views
62m of skid marks and coefficient of .75, how fast was the car going?
0 answers
509 views
A golf ball is driven down a horizontal fairway with an initial speed of 55m/s at an initial angle of 25 degrees. (Assume the
1 answer
1,294 views
A speeder passes a parked police car at a
constant speed of 20.1 m/s. At that instant, the police car starts from rest with a
1 answer
758 views
What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 12 - x^2?
1 answer
836 views
What are the two positive integers whose sum is 200 and whose product is a maximum?
1 answer
1,201 views
Find the absolute maximum of the function
f(x)=2x+1, where -2<x<0 (-x^2)+1, where x>0
0 answers
366 views
Which one of the following statements is true?
If f is continuous on (a, b), then f attains an absolute maximum value and f
0 answers
3,196 views
Find the x-coordinate of the point(s) of inflection on the graph of y = x^3 - 12x^2 - 5.
1 answer
1,003 views
An aircraft has a lift off speed of 130 km/h.
What minimum uniform acceleration does this require if the aircraft is to be
2 answers
986 views
My math problem is combining like terms
then simply. 3 3 6b - 2b + 2b + 2b -b Answer is (b)
1 answer
537 views
Which of the following ordered pairs is a solution to the inequality y less than or equal to -2x + 8?
a. (0, -4)<<<< b. (5, -1)
3 answers
3,165 views
An inverted conical tank (with vertex down) is 14 feet across the top and 24 feet deep. If water is flowing in at a rate of 12
3 answers
2,058 views
The size of an e-mail file is stated as 210 KB, but the file size is actually 220.5KB. What is the absolute error?
1 answer
1,508 views
Leland wants to paint a portrait for his parents using a photograph of them that is 5 inches wide by 8 inches high. He wants the
2 answers
606 views
•What are the similarities and differences in the realities of plea-bargaining between the crime control model and the due
0 answers
458 views
Find all solutions to the equation sqrt(2-3x)= 9. Express your answer as a common fraction.
I squared both sides and I got
1 answer
872 views
The square root of h is greater than 10/3 and less than 24/5. How many integer values of h satisfy this condition? I think the
1 answer
627 views
At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.84 ✕ 105 Pa when the outdoor temperature
0 answers
616 views
If Charlie is 6 1/3 ft tall, Dan is 6 5/12 ft tall and Mark is 6 1/6 ft tall, who is the tallest?
I say Dan is the tallest, am I
3 answers
503 views
Marianne buys 16 bags of
potting soil that comes in 5/8 -pound bags. A. How many pounds of potting does Marianne buy? 10 B. If
16 answers
3,500 views
You complete 3 centimeters on your necklace in an hour. Each hour after the first,you triple the length of the necklace. Write
6 answers
2,255 views
You can invest your money in a taxable corporate bond paying 10% interest or a tax-free municipal bond paying 7% interest. Which
0 answers
507 views
The average price in dollars to rent a studio in Back Bay, Boston, Ma. can be approximated by the equation p=30.2t +
587,where t
2 answers
548 views
an 80kg man jumps off a 60m cliff, halfway to the ground, his GPE is 27,072J. What is his KE at the same moment?
1 answer
468 views
R stands for the dominant form of the color blindness allele and r signifies the recessive form. Because Edward is NOT color
1 answer
546 views
If type B blood was accidentally given to someone with Type O blood, a defense response called (A)__________ would occur. This
1 answer
1,013 views
If type B blood was accidentally given to someone with Type O blood, a defense response called (A)__________ would occur. This
0 answers
542 views
Human immunodeficiency virus (HIV), the virus that causes AIDS, is unique because its main genetic instructions are in the form
1 answer
905 views
Ammonia is produced when Nitrogen gas reacts with Hydrogen gas, as shown by the equation below:
N2 + 3H2 --> 2NH3 If the
1 answer
642 views
Ammonia is produced when Nitrogen gas reacts with Hydrogen gas, as shown by the equation below:
N2 + 3H2 --> 2NH3 If the
0 answers
643 views
How ugh are monthly payments on 100000 for 36 mo, at 9% ?
2 answers
431 views
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