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50.4g CaBr2 to moles
1. 1 answer
2. 669 views
Under which of the following conditions would a fossil most likely form?
1. 1 answer
2. 410 views
500 word essay. perception about miscommunication
1. 1 answer
2. 299 views
The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g ofwater?
1. 2 answers
2. 560 views
How high will a body rise that is projected vertically upward with a speed of 100 ft/s?How long will it take for the body to
1. 1 answer
2. 766 views
Directions: Find the 8th term of the following:1. f_0=5 ; f_1=9 : f_n=_________________________ 2. f_0=9 ; f_1=13 :
1. 1 answer
2. 334 views
can someone who is knowledgeable in business law please check my answers thank you.1.)insurance that pays for damage from some
1. 0 answers
2. 384 views
You are trying to find out how high you haveto pitch a water balloon in order for it to burst when it hits the ground. You
1. 1 answer
2. 543 views
A tennis ball with a speed of 15.1 m/s ismoving perpendicular to a wall. After striking the wall, the ball rebounds in the
1. 1 answer
2. 792 views
A tennis ball is dropped from 1.66 m above theground. It rebounds to a height of 0.0123 m. the acceleration find the
1. 0 answers
2. 506 views
Evaluate (u+xy), for u=14, x=10, and y=7.#
1. 1 answer
2. 335 views
How long does a ball stay in the air if it is 20m/s and it is thrown straightup?
1. 1 answer
2. 1,405 views
Two objects, mass A and mass B, undergo circular motion. The experience the same size centripetal force, and travel on circles
1. 0 answers
2. 513 views
A 2000kg car accelerates from rest to 36 m/s in 6 seconds. What must the power output of the engine be in order to accomplish
1. 1 answer
2. 630 views
A block of mass 4kg is dropped from a height of 2 meters on Earth. If that block is taken to a different planet, where the
1. 1 answer
2. 527 views
The minority carrier lifetime of a material is the average time which a carrier can spend in an excited state after
1. 0 answers
2. 1,200 views
An airplane touches down on the runway with a speed of 70 m/s. It decelerates at a rate of -5 m/s2.
1. 3 answers
2. 2,737 views
I have 31 cars, 7 are defective. whats the ratio
1. 1 answer
2. 335 views
What is the radius of a circle with a circumference of 84 meters?
1. 0 answers
2. 859 views
Estimate the area of a circle with a radius of 27 meters. Use Start Fraction 22 over 7 End Fraction for pi.
1. 6 answers
2. 1,673 views
Find the area of the parallelogram with a base of 471.5 cm and height of 21.3 cm.
1. 6 answers
2. 1,844 views
The volume of a rectangular prism is 1,000 cubic millimeters. Use the formula V equals l w hto determine which statements are
1. 1 answer
2. 668 views
Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2
1. 4 answers
2. 1,091 views
Which of the following is an internal conflict?A. A sailor struggles to survive a shipwreck. B. A child struggles to make the
1. 4 answers
2. 1,207 views
ur teacher will grade your responses to questions 24 and 25 to ensure you receive proper credit for your answers.Identify the
1. 2 answers
2. 1,155 views
If it takes 5 men 20 hours to brick a house, How long will it take 8 men to do the job if they work at the same rate
1. 2 answers
2. 792 views
Write a 350- to 500-word story about being a prehistoric artist.
1. 1 answer
2. 882 views
Why did military leaders overthrow the governments of Chile and Argentina in the 1970s?A. The governments had jailed and
1. 74 answers
2. 5,493 views
describe the hardships and indignities faced by the africans from the time of being captured and transported to the americas to
1. 35 answers
2. 7,247 views
"Which do you prefer? A sandwich or un sangúche?"Me gustan los carnes calientes y panes calientes de los sangúches, pero a
1. 6 answers
2. 563 views
Someone who speaks Spanish well: Am I using the verb forms of “estar” in these 3 sentences correctly, and are there any
1. 2 answers
2. 541 views
What are the symptoms and treatment options for pancreatic cancer?
1. 0 answers
2. 805 views
Pretend there is a public works project to be done, such as a road to be built or wall to protect the city. How might four other
1. 0 answers
2. 834 views
explain the difference of [-3] and -3
1. 1 answer
2. 362 views
A researcher is interested in comparing the maturity level of students who volunteer versus those who don't.Calculate the
1. 1 answer
2. 776 views
what volume(in cm3) of lead (density=11.3 g/cm3 ) has the same mass as 100 cm2 of red wood (density = 0.38 g/cm3)?
1. 1 answer
2. 888 views
The first full-scale oceanographic research expedition was conducted by the:
1. 1 answer
2. 616 views
what materials could have been found in the giant gas cloud that formed the solar system A hydrogen and helium B hydrogen and
1. 2 answers
2. 2,875 views
Rita is spending more time at home to study and practice math. Her efforts are finally paying off. On her first assessment she
1. 3 answers
2. 2,426 views
In at least one hundred and fifty words, make an argument for which historical figure from this lesson had the most negative
1. 1 answer
2. 798 views
Do males or female high school basketball players have a better chance of playing on college teams? On professional teams?
1. 1 answer
2. 729 views
A child of mass 20.2 kg takes a ride on an irregularly curved slide of height 6.12 m. The child starts from rest at the top. The
1. 1 answer
2. 3,200 views
A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the
1. 1 answer
2. 12,029 views
A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the
1. 1 answer
2. 741 views
A tennis player places a 68kg ball machine on a frictionless surface. the machine fires a 0.057 kg tennis ball horizontally with
1. 3 answers
2. 1,340 views
The linear impulse delivered by the hit of a boxer is 104 NS during the 0.431s of contact. What is the magnitude of the average
1. 1 answer
2. 868 views
A 4kg mass moves in a circular path of 7m radius on a frictionless horizontal table. It is attached to a string that passes
1. 1 answer
2. 2,931 views
a plane is flying in a horizontal circle at 99.5 m/s. The 92.6 kg pilot does not want his radial acceleration to exceed 9.25g.
1. 2 answers
2. 481 views
a plane is flying in a horizontal circle at 99.5 m/s. The 92.6 kg pilot does not want his radial acceleration to exceed 9.25g.
1. 0 answers
2. 499 views
A rotary speed of 2010 m/s. The rotating rod of 15.7 cm long. Assume the speed quoted is that of the end of the rod. What is the
1. 0 answers
2. 428 views
sin(pi/2+x)cos(pi-x)cot(3pi/+x)=sin(pi/2-x)sin(3pi/2-x)cot(pi/2+x
1. 1 answer
2. 647 views
find all possible pairs of two natural no whose sum is 77 and their gcd is 7
1. 1 answer
2. 416 views
A 468 kg bear grasping a vertical tree is sliding down at constant velocity. The acceleration of gravity is 10m/s^2. What is the
1. 1 answer
2. 550 views
A 2.63 kg ball is dropped from the roof of a building 180.6 m high. While the ball is falling to Earth, a horizontal wind exerts
1. 1 answer
2. 835 views
A 3.1 kg block initially at rest is pulled to the right along a horizontal frictionless surface by a constant horizontal force
1. 4 answers
2. 11,886 views
if y=m^4=n^3 and y is greater than 1 than mn=?a) y^1/12 b) y^1/7 c) y^7/12 d) y^7
1. 1 answer
2. 486 views
A projectile is fired off a cliff at an angle of 60 degrees to the horizontal. The height of the cliff is 48 meters and the
1. 2 answers
2. 708 views
how do you write an expression showing x=the square root of 45^2 + 30^2
1. 2 answers
2. 443 views
A man can throw a ball a maximum horizontal distance of 73.4 meters. the acceleration is 9.8 m/s^2. How far can he throw the
1. 1 answer
2. 873 views
An employee's training time and meeting time cannot exceed 16 hours a month. For every hour of training there is 2 hours of
1. 1 answer
2. 503 views
A single, neutral iodine atom has
1. 1 answer
2. 488 views
A car of mass 1000 kg is traveling at a constant 25.0 m/sec along a straight, level highway. There is a force of thrust acting
1. 1 answer
2. 736 views
Jose is planning to spread fertilizer on his rectangular yard.His yard has a length of 40 ft and width of 25 ft.How much
1. 1 answer
2. 1,054 views
100 ft rope is cut in two pieces so that the larger piece is 2 less than twice the shorter piece. What is the length of the
1. 1 answer
2. 578 views
The foot of a 25-foot ladder is 15 feet from a wall. If the ladder is pushed until its foot is only 7 feet from the wall, how
1. 1 answer
2. 492 views
The box and whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth
1. 15 answers
2. 3,999 views
A triangle has vertices at S(4,1), T(2,-3),and U(4,0). The triangle is translated up 3 units. What are the coordinates of the
1. 1 answer
2. 731 views
A mixture of H2(g) and N2(g) has a density of 0.221 g·L−1 at 301 K and 501 torr. What is the mole fraction composition of the
1. 1 answer
2. 753 views
Georgia spent 1÷5 of her money on sweets and used the rest to pay for her savings. What fraction of her money did she pay as
1. 1 answer
2. 556 views
Based on data from a statistical abstract, only about 10% of senior citizens (65 years old or older) get the flu each year.
1. 2 answers
2. 5,860 views
Help...1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.
1. 1 answer
2. 368 views
From a height of 25 meters a ball is thrown vertically upwards at a velocity of 5 meters per second.a. What time in seconds will
1. 2 answers
2. 511 views
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting(−2, 7) and (7, −1).
1. 1 answer
2. 568 views
Find the equation in standard form for the line that satisfies the given requirements.slope −3, x-intercept (8, 0)
1. 1 answer
2. 469 views
Find the equation in standard form for the line that satisfies the given requirements.horizontal line through (−8, −9)
1. 1 answer
2. 453 views
Find the equation in standard form for the line that satisfies the given requirements.passing through (1, 5) and (2, 6)
1. 1 answer
2. 451 views
y = 2 cos(5πx) .... whats the period?
1. 2 answers
2. 588 views
Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.)5x2 − 23x = −12
1. 2 answers
2. 1,223 views
The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the
1. 1 answer
2. 516 views
Please help!!!!!You earn $240 for your first paycheck. You pay 22% of it in taxes. You decide to put 40% of the remaining money
1. 1 answer
2. 702 views
14cos+7=O
1. 1 answer
2. 376 views
The two 4's in the number 420.41 have different values. What is the difference in their values?
1. 1 answer
2. 399 views
Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below.As the hurricane season was
1. 1 answer
2. 1,739 views
Two charges of magnitude +2×10^–6 C each are 60cm apart. find the magnitude of the force exerted by these charges on a third
1. 0 answers
2. 827 views
the length of a rectangular garden is 4m more than its width determine the gardens width if the area is 117m^2
1. 2 answers
2. 1,449 views
Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as
1. 2 answers
2. 445 views
Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as
1. 0 answers
2. 513 views
born haber cycle is not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide SiO2
1. 0 answers
2. 654 views
why is born haber cycle not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide
1. 2 answers
2. 929 views
why does BeCl2 have low melting point but SiO4 has high melting point even though they are both covalent bonds between the atoms
1. 3 answers
2. 762 views
before 1900 the activity per mass of atmospheric carbon due to the presence of carbon-14 averaged about 0.255bq/g of carbon 1.
1. 0 answers
2. 639 views
before 1900 the activity per mass of atmospheric carbon due to the presence of carbon-14 averaged about 0.255bq/g of carbon 1.
1. 0 answers
2. 602 views
A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of
1. 2 answers
2. 445 views
A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of
1. 1 answer
2. 470 views
calculate the lowest frequency of UV. light which has enough energy to break a Cl-Cl bond. ( bond energy =243kj/mol). I got
1. 1 answer
2. 753 views
what is volume, if base area 56 in2, height 6 in
1. 9 answers
2. 3,507 views
magnessium chloride can be used to distinguish between cabonate and hydrogencarbonate ions. Describe how this is done with
1. 0 answers
2. 422 views
magnessium chloride can be used to distinquish between cabonate and hydrogencarbonate ions. Descrbe how this done with
1. 0 answers
2. 389 views
A mixture of 0.2 moles of alcohol A and 0.5 moles of alcohol B has a total vapour pressure of 40 mmHg at 297 K. If the mixture
1. 1 answer
2. 658 views
A certain elementary gas is triatomic and has vapour density 48 . The atomic mass of the gas is (a) 48 (b) 96 (c) 32 (d) 16 ..
1. 1 answer
2. 1,366 views

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