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50.4g CaBr2 to moles
1 answer
677 views
Under which of the following conditions would a fossil most likely form?
1 answer
415 views
500 word essay. perception about miscommunication
1 answer
304 views
The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of
water?
2 answers
565 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 answer
778 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 answer
340 views
can someone who is knowledgeable in business law please check my answers thank you.
1.)insurance that pays for damage from some
0 answers
391 views
You are trying to find out how high you have
to pitch a water balloon in order for it to burst when it hits the ground. You
1 answer
548 views
A tennis ball with a speed of 15.1 m/s is
moving perpendicular to a wall. After striking the wall, the ball rebounds in the
1 answer
797 views
A tennis ball is dropped from 1.66 m above the
ground. It rebounds to a height of 0.0123 m. the acceleration find the
0 answers
514 views
Evaluate (u+xy), for u=14, x=10, and y=7.#
1 answer
339 views
How long does a ball stay in the air if it is 20m/s and it is thrown straightup?
1 answer
1,412 views
Two objects, mass A and mass B, undergo circular motion. The experience the same size centripetal force, and travel on circles
0 answers
518 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 answer
636 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 answer
533 views
The minority carrier lifetime of a material is the average time which a carrier can spend in an excited state after
0 answers
1,207 views
An airplane touches down on the runway with a speed of 70 m/s. It decelerates at a rate of -5 m/s2.
3 answers
2,743 views
I have 31 cars, 7 are defective. whats the ratio
1 answer
339 views
What is the radius of a circle with a circumference of 84 meters?
0 answers
863 views
Estimate the area of a circle with a radius of 27 meters. Use Start Fraction 22 over 7 End Fraction for pi.
6 answers
1,680 views
Find the area of the parallelogram with a base of 471.5 cm and height of 21.3 cm.
6 answers
1,848 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 answer
673 views
Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2
4 answers
1,097 views
Which of the following is an internal conflict?
A. A sailor struggles to survive a shipwreck. B. A child struggles to make the
4 answers
1,213 views
ur teacher will grade your responses to questions 24 and 25 to ensure you receive proper credit for your answers.
Identify the
2 answers
1,158 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
2 answers
798 views
Write a 350- to 500-word story about being a prehistoric artist.
1 answer
889 views
Why did military leaders overthrow the governments of Chile and Argentina in the 1970s?
A. The governments had jailed and
74 answers
5,499 views
describe the hardships and indignities faced by the africans from the time of being captured and transported to the americas to
35 answers
7,258 views
"Which do you prefer? A sandwich or un sangúche?"
Me gustan los carnes calientes y panes calientes de los sangúches, pero a
6 answers
571 views
Someone who speaks Spanish well: Am I using the verb forms of “estar” in these 3 sentences correctly, and are there any
2 answers
548 views
What are the symptoms and treatment options for pancreatic cancer?
0 answers
808 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
0 answers
844 views
explain the difference of [-3] and -3
1 answer
365 views
A researcher is interested in comparing the maturity level of students who volunteer versus those who don't.
Calculate the
1 answer
779 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 answer
893 views
The first full-scale oceanographic research expedition was conducted by the:
1 answer
621 views
what materials could have been found in the giant gas cloud that formed the solar system A hydrogen and helium B hydrogen and
2 answers
2,880 views
Rita is spending more time at home to study and practice math. Her efforts are finally paying off. On her first assessment she
3 answers
2,433 views
In at least one hundred and fifty words, make an argument for which historical figure from this lesson had the most negative
1 answer
802 views
Do males or female high school basketball players have a better chance of playing on college teams? On professional teams?
1 answer
737 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 answer
3,207 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 answer
12,038 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 answer
751 views
A tennis player places a 68kg ball machine on a frictionless surface. the machine fires a 0.057 kg tennis ball horizontally with
3 answers
1,345 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 answer
873 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 answer
2,938 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.
2 answers
489 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.
0 answers
504 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
0 answers
433 views
sin(pi/2+x)cos(pi-x)cot(3pi/+x)=sin(pi/2-x)sin(3pi/2-x)cot(pi/2+x
1 answer
652 views
find all possible pairs of two natural no whose sum is 77 and their gcd is 7
1 answer
422 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 answer
555 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 answer
841 views
A 3.1 kg block initially at rest is pulled to the right along a horizontal frictionless surface by a constant horizontal force
4 answers
11,894 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 answer
493 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
2 answers
714 views
how do you write an expression showing x=the square root of 45^2 + 30^2
2 answers
447 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 answer
880 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 answer
507 views
A single, neutral iodine atom has
1 answer
491 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 answer
743 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 answer
1,060 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 answer
584 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 answer
495 views
The box and whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth
15 answers
4,005 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 answer
738 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 answer
758 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 answer
559 views
Based on data from a statistical abstract, only about 10% of senior citizens (65 years old or older) get the flu each year.
2 answers
5,868 views
Help...
1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.
1 answer
373 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
2 answers
517 views
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting
(−2, 7) and (7, −1).
1 answer
573 views
Find the equation in standard form for the line that satisfies the given requirements.
slope −3, x-intercept (8, 0)
1 answer
473 views
Find the equation in standard form for the line that satisfies the given requirements.
horizontal line through (−8, −9)
1 answer
458 views
Find the equation in standard form for the line that satisfies the given requirements.
passing through (1, 5) and (2, 6)
1 answer
456 views
y = 2 cos(5πx) .... whats the period?
2 answers
591 views
Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.)
5x2 − 23x = −12
2 answers
1,233 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 answer
522 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 answer
709 views
14cos+7=O
1 answer
381 views
The two 4's in the number 420.41 have different values. What is the difference in their values?
1 answer
404 views
Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below.
As the hurricane season was
1 answer
1,747 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
0 answers
832 views
the length of a rectangular garden is 4m more than its width determine the gardens width if the area is 117m^2
2 answers
1,456 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
2 answers
451 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
0 answers
517 views
born haber cycle is not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide SiO2
0 answers
660 views
why is born haber cycle not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide
2 answers
935 views
why does BeCl2 have low melting point but SiO4 has high melting point even though they are both covalent bonds between the atoms
3 answers
766 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.
0 answers
644 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.
0 answers
608 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
2 answers
449 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 answer
473 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 answer
759 views
what is volume, if base area 56 in2, height 6 in
9 answers
3,510 views
magnessium chloride can be used to distinguish between cabonate and hydrogencarbonate ions. Describe how this is done with
0 answers
426 views
magnessium chloride can be used to distinquish between cabonate and hydrogencarbonate ions. Descrbe how this done with
0 answers
393 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 answer
661 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 answer
1,371 views
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