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Allie
Questions (246)
For my research project, I need to choose an absolute monarch. I want to do one on a monarch/emperor/king from Vietnam because I
1 answer
640 views
Explain what acids and bases are in terms of hydrogen ions. Which has more hydrogen ions and which has less?
1 answer
409 views
Given that Mg(ClO3)2 decomposes into magnesium chloride and oxygen:
A) Write a balanced equation for this reaction. I got
0 answers
577 views
Given that Mg(ClO3)2 decomposes into magnesium chloride and oxygen:
A) Write a balanced equation for this reaction. I got
1 answer
3,175 views
Can you proofread my essay?
Life in the Fast Lane Have you ever changed so much in life that you couldn’t possibly bare it?
1 answer
529 views
Can you proofread my essay and I also need a good title?
Christopher Columbus was a brave, strong, hard-worker who took sea to
1 answer
644 views
Verify the identity.
(secx + tanx)/(secx - tanx) = (1 + 2sinx + sin(^2)x)/cos(^2)x
0 answers
794 views
The stem-and-leaf plot represents the average monthly high temperatures in Tampa, Florida. What is the first quartile (Q1) of
0 answers
571 views
Does this set of data have any outliers?
Data: 1, 2, 2, 4, 6, 6, 7, 8, 9, 10, 12, 13, 16, 16, 18. no or yes
1 answer
386 views
The data below represents the average score per game of the top 40 NBA players, rounded to the nearest whole number. Find the
1 answer
525 views
A random variable X has a Gamma distribution with (alpha = a, beta = b). Show that P(X > 2ab) < (2/e)^a.
hint: X > c is
2 answers
483 views
How many liters of hydrogen gas can be produced at 300.0K and 1.55atm if 20.0g of sodium metal is reacted with water?
1 answer
619 views
How many liters of hydrogen gas can be produced at 300.0K and 1.55atm if 20.0g of sodium metal is reacted with water?
1 answer
580 views
Is a package of 8 hot dog buns proportional to a package of 10 hot dog franks?
1 answer
638 views
A ball of moist clay falls 10.4 m to the ground. It is in contact with the ground for 20.5 ms before stopping.
(a) What is the
0 answers
426 views
An invoice of $12,000 is dated April 5. The terms 5/10,n/30 are offered. Find the amount due if the discount is earned. Show
1 answer
644 views
If i have .0030M BaSO4 how do I calculate the moles of sulfate?
1 answer
1,373 views
A stone is dropped from the top of a well. If the well is 23.1 meters deep, how long with the stone take to reach the bottom?
2 answers
686 views
An object with a mass of 3kg is dropped from 56.3 meters. How far above the ground is it's kinetic energy 1073J?
2 answers
417 views
A metal sphere of radius 5.00 cm is initially uncharged. How many electrons would have to be placed on the sphere to produce an
0 answers
791 views
how many milliliters of 0.10 M HCl must be added to 50.0 mL of 0.40 HCl to give a final solution that has a molarity of 0.25 M?
1 answer
1,874 views
What would the rate of return be on an Individual Retirement Account with a contribution of $2000.00, at 4% Interest rate, for 5
1 answer
373 views
what are 4 consecutive integers whos sum is -2
1 answer
304 views
Mrs.Sue,
I wrote a paper on research proposal. Now, my teacher is asking us to write the steps on how we wrtoe the paper. Can you
0 answers
538 views
"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative
4 answers
1,144 views
"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative
2 answers
974 views
R varies jointly as S and the square of T. If R is 32.4 when S=0.2 and T=9, find R when S=0.5 and T=5. I believe the answer is
3 answers
8,156 views
for his new room Daren will need 154 feet sq of wall to wall to cover of his new square room. what is the length of each wall of
1 answer
466 views
How do you find standard deviation?
1 answer
373 views
a 25 kg box is released from rest on a rough inclined plane tilted at an angle of 33.5 degrees to the horizontal. The
2 answers
1,096 views
At constant pressure, which of these systems do work on the surroundings? Check all that apply.
2A (g) + B(s) --> 3C(g) 2A (g)
3 answers
788 views
For a 5.0 g sample of CoCl3·9H2O, what weight of water (in grams) will be lost if the sample is heated to constant weight (all
1 answer
852 views
What was the first comedy movie ever made?
1 answer
396 views
A behaviorist is asked to evaluate five students in the second grade who exhibt impluse control problems.The behaviorist decides
1 answer
448 views
can anyone tell me a little about MacArthur and Wilson's theory of island biogeography? I need to answer the question Describe a
5 answers
572 views
number of people who hear a rumor after t hours is
N(t) = 2000/ 1 + 499e^-0.3t How long will it take for 200 people to hear the
1 answer
545 views
Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 75 steps per minute, with each step 8.00
2 answers
1,132 views
Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2430 kJ/kg at
2 answers
2,051 views
An ideal monatomic gas expands isothermally from 0.590 m3 to 1.25 m3 at a constant temperature of 670 K. If the initial pressure
1 answer
2,365 views
what is the cisternal maturation hypothesis for Golgi apparatus function?
0 answers
383 views
how does the explosive polymerization of G-actin propels L. monocytogenes through the cytoplasm?
0 answers
309 views
what is a mechanism for how EB1 can mediate the extension of ER cisternae along microtubules?
0 answers
294 views
I'm not sure what you meant by correcting this sentence--Thank you for any further explanation you can give--
3. Tocar el piano
4 answers
510 views
Please check these-
Fill in comarative form for the first three: 1.Surfear es ____ interesante (cazar.) Surfear es más divertido
2 answers
544 views
For the ellipse (x-2)^2/49 + (y+1)^2/25=1
List center: (2,-1) the foci: -(sqrt 74) AND +(SQRT 74,0) Major axis: x=2 Minor axis:
1 answer
894 views
A ball has a diameter of 3.70 cm and average density of 0.0841 g/cm3. What force is required to hold it completely submerged
1 answer
1,773 views
(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is
4 answers
11,374 views
Four objects are held in position at the corners of a rectangle by light rods . m1 2.90(kg) m2 1.90(kg) m3 4.50(kg) m41.90 (kg)
(
1 answer
1,345 views
A student sits on a rotating stool holding two 3.2-kg objects. When his arms are extended horizontally, the objects are 1.0 m
0 answers
724 views
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 575 kg. Before a
1 answer
1,777 views
A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a 70.0-gram mass is attached at the 16.0-cm
1 answer
871 views
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.70 m and 0.99 m, respectively. The respective
0 answers
834 views
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 rev/min.
(a)
3 answers
1,425 views
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as
0 answers
653 views
A satellite has a mass of 99 kg and is located at 1.97 106 m above the surface of Earth.
(a) What is the potential energy
0 answers
1,044 views
A sample of blood is placed in a centrifuge of radius 20.0 cm. The mass of a red blood cell is 3.0 10−16 kg, and the magnitude
3 answers
2,373 views
A 54.9-kg ice skater is moving at 4.09 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole.
0 answers
750 views
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min.
(a) Find
1 answer
793 views
A 2.4 kg object attached to a horizontal string moves with constant speed in a circle of radius R on a frictionless horizontal
2 answers
2,364 views
A 79.0-kg fullback running east with a speed of 4.00 m/s is tackled by a 93.0-kg opponent running north with a speed of 3.00
0 answers
838 views
Question Part
Points Submissions Used A 45.0-kg girl is standing on a 160-kg plank. The plank, originally at rest, is free to
1 answer
642 views
The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.
(a) If a
1 answer
2,134 views
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball,
0 answers
1,557 views
Sketch a transition phase diagram with two curves; one for C18:0 and a second for C18.1. Label X and Y. Add a third curve for
0 answers
749 views
NTP hydrolysis is used in two ways to drive directionality of the targeting and translocation phases of secretion. What are the
0 answers
381 views
Calculate the volume of 2 M acetic acid needed to prepare 50 ml of 0.1 M acetate buffer.
3 answers
746 views
When a 3.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 3.07 cm.
(a)
1 answer
1,871 views
(1/25)^1/2
i know the answer is 0.02 but how do you find it in a fraction without using a calc?
1 answer
299 views
A eye pupil of 1 cm diameter can resolve about what angle in radians?
First of all I don't understand what they mean by resolve.
0 answers
553 views
suppose you were able to blow air out of your mouth at one third of an atmosphere pressure. How tall a column of water could
1 answer
518 views
The ratio of the mass of your body (50 kg) to a dollar bill(1 gram) is?
body: 50 kg= 50,000 g 50000/1 so the ratio is 50,000?
1 answer
382 views
Clap your hands and estimate the energy and power released as sound waves.
I know Kinetic energy= 1/2*m*v^2 and Power is KE/t but
1 answer
613 views
harvest cereal comes in boxes of different sizes.the regular box holds 7/8 pounds.the small box holds 2/3 as much. How much
1 answer
544 views
A skier of mass 72 kg is pulled up a slope by a motor-driven cable.
(a) How much work is required to pull him 65 m up a 30°
1 answer
941 views
What is my theoretical yield of iron II chloride if I start with 34 grams of iron II bromide?
2 answers
1,850 views
Find the height from which you would have to drop a ball so that it would have a speed of 6.6 m/s just before it hits the
1 answer
414 views
A projectile is launched with a speed of 41 m/s at an angle of 55° above the horizontal. Use conservation of energy to find the
1 answer
643 views
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.3° above the
0 answers
735 views
A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed
2 answers
2,386 views
A daredevil on a motorcycle leaves the end of a ramp with a speed of 29.5 m/s as in the figure below. If his speed is 27.1 m/s
1 answer
1,593 views
how long does it take to design, test, and get FDA approval of an artificial heart valve?
0 answers
400 views
Rank the given compounds on their relative acidity.
Here was the order I thought it was but it turned out to be wrong. (i based
1 answer
2,188 views
list from strongest acid to weakest acid
HC(triple bond)CCH3 H2C=CH2 H3CNH2 CH4 H2O i thought the order went HC(triple)CCH3
1 answer
2,274 views
What is needed to synthesize DNA?
-a DNA strand -a primer and is that it?
0 answers
495 views
How do I go about finding the solutions to the following
x^2-6x+25=0 I know the answer is 3-4i and 3+4i however, I do not know
3 answers
514 views
of the 43 presidents 15 were elected to 2 terms. what fraction of us presidents were elected two terms? HELP! I have been at
2 answers
470 views
according to Stephens, when are learning behaviors expected to evolve?
0 answers
710 views
find the slope and y-intercept of the line in the given equation:
y=6/7x-4
1 answer
350 views
Given the linear equation y=-3/2x+1, find the y-coordinates of the points
(-4), (-2), and (6). Please show all of your work. Plot
2 answers
493 views
What is the grandmother effect in humans? what is the grandfather effect?
0 answers
408 views
what is the sociobiology controbersy?
1 answer
263 views
What's the practical domain and range of this volume function: 4x^3-39x^2+93.5x
1 answer
638 views
solve v=(1/3)t+12
1 answer
229 views
what is prey flushing?
0 answers
340 views
what is the edge effect? (as part of group living)
0 answers
328 views
Use the cues below to write sentences with the verb GUSTAR.
MODELO: comida italiana/Vilma = A Vilma le gusta la comida italiana.
2 answers
1,301 views
A spanish exchange student is trying to figure out what his friends like to eat. Provide the correct pronoun forms to complete
1 answer
1,586 views
what is an example of a naturally fragmented habitat, and a habitat that has been fragmented by human land use?
0 answers
412 views
what is the atlantic pahtway? and why does its path through upstate New York raise special conservation concerns for woodlands
1 answer
401 views
3a+8=15-(9a-9)
2 answers
326 views
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