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Blake

Questions (260)

How many grams of copper are needed to form 8.0 grams of hydrogen gas?
1. 1 answer
2. 275 views
How many grams of fluorine gas are required to produce 33.8 grams of bromine gas?Please help me
1. 1 answer
2. 368 views
how many grams of potassium chloride are formed from 29.4 grams of potassium chlorate?
1. 1 answer
2. 470 views
The purpose of cracking in the production of ethene is toA. Convert large molecules into small molecules B. Convert small
1. 1 answer
2. 417 views
1.Find the mean of the data set. If necessary, round to the nearest tenth. 18.1, 17.9, 16.8, 18.7, 15.1A.14.3 B.13.6 ***** C.17
1. 11 answers
2. 1,180 views
Suppose a bag of candy holds 4/5 pound of candy how many of these bags can be filled from 16 pounds of candy?
1. 2 answers
2. 384 views
y=2x-3y=-3x+2
1. 1 answer
2. 130 views
1. Which law gives the force between two objects that is related to their mass and distance?A. Newton's law of gravitation B.
1. 0 answers
2. 741 views
A small toy car with a mass of 0.4 kg and a velocity of 5 m/s crashes into another toy car that was at rest with the same mass.
1. 0 answers
2. 596 views
Describe three real life examples of ideal closed systems.
1. 0 answers
2. 384 views
1. Some students conduct an experiment to prove conservation of momentum. They use two objects that collide. Measurements are
1. 2 answers
2. 2,045 views
Need serious help!!1. How can the momentum of a moving object be found? A. By multiplying its mass by its acceleration. B. By
1. 11 answers
2. 8,882 views
Let A and B be subsets of a universal set U and suppose n(U) = 350, n(A) = 130, n(B) = 90, and n(A B) = 50.Find the number of
1. 2 answers
2. 704 views
How does the English Bill of Rights limit the power of the monarch.
1. 2 answers
2. 757 views
What effect did the space race have on the United States?The United States government revamped education. The United States Air
1. 2 answers
2. 1,049 views
In 2002, a gargantuan iceberg broke away from the Ross Ice Sheet in Antarctica. It was approximately a rectangle 218 km long,
1. 2 answers
2. 1,083 views
Mr. Randall has wrenches in a toolbox. The total mass of the wrenches in the toolbox is 3 kilograms. Mr. Randall takes out one
1. 9 answers
2. 1,218 views
A pound of apples cost $1.30. Sawyer bought 2 1/2 pounds of apples. How much did Sawyer pay? Please explain
1. 9 answers
2. 1,695 views
Theo filled up a 3 liter watering can to water the garden. He has 750 millimeters of water did Theo use
1. 5 answers
2. 971 views
A small bottle contains 2 cups of juice. Do 5 small bottles of juice have a greater amount of juice than a 1 quart bottle of
1. 8 answers
2. 2,174 views
Carla had 2 liters of juice to share. She and her 3 friends each drank an equal amount of the juice. How many millimeters of
1. 4 answers
2. 699 views
How many 250ml glasses can be filled with 2l of water
1. 7 answers
2. 7,553 views
Carla had 2 liters of juice to share. She and her 3 friends each drank an equal amount of the juice. How many milliliters of
1. 4 answers
2. 2,520 views
An adult bottle nose dolphin has a mass of 200 kilograms. What is the mass of an adult bottle nose dolphin in grams?
1. 4 answers
2. 1,302 views
If the heat of combustion of 1-butanol (C4H9OH) is 2,710 kJ/mol, what mass of oxygen is consumed when enough 1-butanol is burned
1. 2 answers
2. 3,490 views
If the heat of combustion of 1-butanol (C4H9OH) is 2,710 kJ/mol, what mass of oxygen is consumed when enough 1-butanol is burned
1. 2 answers
2. 3,153 views
Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 12 miles per hour, and the other travels at a bearing
1. 1 answer
2. 761 views
A 30-W led bulb and a 90-W led bulb are wired in the parallel to a 120-V source. You plug in a third bulb in parallel with the
1. 1 answer
2. 677 views
How many grams of potassium iodide, KI, are required to make 2.0 L of a 0.1M solution?
1. 1 answer
2. 1,040 views
What is the simple subject of the following sentence?Several sites on the internet give information about extreme sports. I
1. 1 answer
2. 514 views
Charlie's wallet contains 3 ones, 2 fives, 2 tens, and 4 twenty dollar bills. ?Charlie randomly grabs a bill from his wallet,
1. 1 answer
2. 655 views
50 L of your 0.05M sodium. chloride solution, what volume of 1.25M solution would be necessary?
1. 2 answers
2. 438 views
PLEASE HELP ME :(Brandon flips two fair coins multiple times and records the frequency of the results in the following table. 50
1. 0 answers
2. 672 views
Brandon flips two fair coins multiple times and records the frequency of the results in the following table.50
1. 1 answer
2. 613 views
A six sided number cube is rolled and a coin is flipped. What is e probability that the number on the cube is less than 4 and
1. 2 answers
2. 1,453 views
A bag of marbles contains 3 yellow marble, 3 red marbles, and 5 green marbles. If a marble is chosen, put back in the bag and
1. 2 answers
2. 659 views
how would you solve (3_/8)(2_/6) using multiply and simplifying.
1. 1 answer
2. 391 views
What does a curved surface and a circle make?a. sphere b. cone *** c. cylinder d. The two shapes won't form a geometric solid.
1. 1 answer
2. 526 views
A silo is filled at a constant rate for a total of 10 hours.Number of Hours---Amt of Corn(cu ft) 0-----------------
1. 2 answers
2. 948 views
HOURS STUDYING AVG GRADE0 62 1 78 2 85 5 74 WHICH TYPE OF FUNCTION IS MOST LIKELY TO MODEL THESE DATA? A. LINEAR FUNCTION
1. 1 answer
2. 938 views
Given the explicit formula, find the 15th term of the sequence:a(n) = -4n + 1
1. 1 answer
2. 455 views
Solve using substitution5x-2y= 0 and 3x=y =-1
1. 3 answers
2. 1,046 views
To which system of government is the federal system most similar?A - The Unitary system B - The confederal system C - The
1. 2 answers
2. 934 views
An Alaskan rescue plane traveling 38 m/s drops a package of emergency rations from a height of 105 m to a stranded party of
1. 1 answer
2. 1,013 views
Write an overall balanced equation for these unbalanced half-reactions:In --> In3+ Cd2+ --> Cd I multiplied both sides by
1. 6 answers
2. 6,607 views
Which of the following land regions should show the greatest similarities in fossil types?
1. 3 answers
2. 630 views
How do you find the slope of -5x+3y-8=0
1. 1 answer
2. 354 views
1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of
1. 0 answers
2. 1,286 views
The mass of the heavier block is 22 kg andthe mass of the lighter blocks is 11 kg and the magnitude of the force of the
1. 2 answers
2. 882 views
A student keeps track of his target heart rate when he is exercising. The range for the number of heart beats per minute R for
1. 1 answer
2. 744 views
Solve t+1-4t+8=21
1. 1 answer
2. 344 views
You have 25.00 mL of 3% by mass solution of hydrogen peroxide. Assume the density of this solution is 1.00 g/mL. If all of the
1. 0 answers
2. 961 views
Ball A is kicked at 40° above the horizontal. Ball B is kicked with the same horizontal component of velocitybut at 55°. The
1. 0 answers
2. 360 views
If it is snowing in Great Neck, what type of air mass must be present?
1. 1 answer
2. 576 views
WHICH SYSTEM HAS THE GREATEST TIDAL EFFECT? EARTH-SUN OR EARTH-MOON?
1. 1 answer
2. 719 views
Women make up 5% of all film directors. There are 122,500 film directors working. How many women are directing films?
1. 1 answer
2. 567 views
∫ dx/ (x^2+9)^2 dxset x = 3tan u dx = 3 sec^2 u du I = 3 sec^2 u du / ( 9 tan^2 u + 9)^2 = 3 sec^2 u du / ( 81 ( tan^2 u +
1. 1 answer
2. 750 views
Chinook salmon are able to move through water especially fast by jumping out of the water periodically. This behavior is called
1. 1 answer
2. 778 views
3 differences between the book and the movie "The Prince and the Pauper".
1. 1 answer
2. 791 views
I have a business project with entrepreneurs. And one of the entrepreneurs was perceptive. We have to use a body part to
1. 2 answers
2. 555 views
A restaurant says their sales are $650000.Would that (sales) mean revenue or profit?
1. 1 answer
2. 365 views
Can someone reword this for me? I am having problems comprehending the question. The question is: If psychological needs have
1. 0 answers
2. 503 views
In a triangle MNO with altitude NP with MP of 15 and NP of 9 what is the length of PO? MNO creates a right angle!
1. 2 answers
2. 1,221 views
A gaseous mixture contains 413.0 Torr of H2(g), 372.1 Torr of N2(g), and 70.1 Torr of Ar(g). Calculate the mole fraction, X, of
1. 1 answer
2. 463 views
A gaseous mixture contains 413.0 Torr of H2(g), 372.1 Torr of N2(g), and 70.1 Torr of Ar(g). Calculate the mole fraction, X, of
1. 3 answers
2. 491 views
If an ideal gas has a pressure of 5.63 × 105 Pa, a temperature of 401 K, and a volume of 0.0313 m3, how many moles of gas are
1. 1 answer
2. 416 views
An aerosol can is empty, except for the propellant gas which exerts a pressure of 1.20 atm at 21 °C. If the can is thrown into
1. 1 answer
2. 1,998 views
With the Boston Tea Party was it a group of British colonists who boarded the ships and destroyed the tea by dumping it in the
1. 3 answers
2. 780 views
Do cows give birth to ox's?I was reading that an ox is just a castrated bull.
1. 1 answer
2. 366 views
An astronomer wants to determine whether or not he or she can photograph Castor and Pollux at the same time on a 5 x 8 inch
1. 0 answers
2. 960 views
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume
1. 0 answers
2. 347 views
What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length
1. 0 answers
2. 300 views
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume
1. 0 answers
2. 372 views
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume
1. 0 answers
2. 329 views
write the simplest form 2.30
1. 1 answer
2. 339 views
a plane is 521 meters horizontally from its intended target traveling at 62.5 m/s in order to hit the intended target from that
1. 1 answer
2. 383 views
2. Given the following data, calculate the Keq for the denaturation reaction of β-lactoglobin at 25 oC.Δ Ho = -88 kJ/mol, Δ
1. 3 answers
2. 1,022 views
1. Walking consumes approximately 100 kcal/mi. In the hydrolysis of ATP (ATP → ADP + Pi), the reaction that drives the muscle
1. 2 answers
2. 1,516 views
1.What is the pH of a solution containing 0.042 M NaH2PO4 and 0.058 M Na2HPO4 ? The pKa of sodium phosphate is 6.86. pH = 6.86 +
1. 1 answer
2. 8,122 views
Prove 1+sec2x / tan2x = cotx
1. 1 answer
2. 2,190 views
A boy throws a stone into a lake from a 74 foot high wall. The chart gives the horizontal distance, x (in feet), the rock has
1. 1 answer
2. 495 views
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 50 kg, designed to rotate at
1. 1 answer
2. 443 views
Okay so here is the questionSuppose you are an official in an Eastern European nation. Write a letter to a major manufacturer in
1. 1 answer
2. 658 views
A sample of ammonia gas was allowed to come to equilibrium at 400 K.2NH3(g) --> N2(g) + 3H2(g) At equilibrium, it was found that
1. 2 answers
2. 3,240 views
By the early 2000s which country was Taiwan's third largest trading partner?(China),(South Korea). ( U.S.),(Japan)
1. 3 answers
2. 509 views
A woman is riding a Jet Ski at a speed of 27.9 m/s and notices a seawall straight ahead. The farthest she can lean the craft in
1. 0 answers
2. 612 views
Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 17°. A car
1. 1 answer
2. 546 views
A satellite orbits a planet at a distance of 3.80 108 m. Assume that this distance is between the centers of the planet and the
1. 1 answer
2. 635 views
A computer is reading data from a rotating CD-ROM. At a point that is 0.037 m from the center of the disc, the centripetal
1. 0 answers
2. 553 views
Why can't you pull two phone books apart that have each of their pages one on top of the other?
1. 0 answers
2. 348 views
your desk is classified as a solid because it has a definite shape and volume at__________________________.
1. 2 answers
2. 887 views
What is the VOLUME of the solid with the given measurements?Trianglular prism: base 2cm by 3cm height 8cm
1. 1 answer
2. 519 views
In the sentence,"She sat down and watched."is down an adverb?
1. 1 answer
2. 348 views
A coil of wire rotating in a magnetic field induces a coltage E=20sin((PIa/4) - (PI/2)). Use an identity to express this in
1. 4 answers
2. 1,243 views
Sophina bought 3 yards of trim to put around a rectangular scarf. She does not want the scarf to be wider than 12 inches or
1. 16 answers
2. 4,458 views
Mrs Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5
1. 5 answers
2. 519 views
Jeff put a small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that is 20 inches long, 15 inches
1. 13 answers
2. 2,775 views
Raymond has exactly 360 square inches of cardboard to make a box. He wants two of the dimensions to be 6 inches and the other
1. 1 answer
2. 489 views
What is the answer to 6t^+2-4t-3t+2? And please explain the steps of how to solve this. The directions say to factor each
1. 1 answer
2. 467 views
In Figure 4-44, a baseball is hit at a height h = 1.10 m and then caught at the same height. It travels alongside a wall, moving
1. 2 answers
2. 778 views

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