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a pharmisist put 4.536 ounces of vitamines pills into bottles 0.042 ounce of vitamin pills into each bottle. how many bottels
1. 1 answer
2. 271 views
Mrs. Herby bought some carrots. She put 2/5 of them on a platter and the rest in a plastic bag. If there were 8 carrots on the
1. 18 answers
2. 3,838 views
If you eat 2/3 of a pizza, and are left with 12 slices, how many slices are in 1/2 of the pizza?
1. 3 answers
2. 5,335 views
0.7 of which is 3.43
1. 8 answers
2. 2,583 views
4/100 of which is 0.8
1. 1 answer
2. 678 views
if one of the zeroes of a cubic polynomial x^3+ax^2+bx+c is -1.find the product of other 2 zeroes
1. 1 answer
2. 758 views
write each fraction as a decimal and each decimal as a fraction in simplest form.1.8/20 2.0.64 3.3/100
1. 1 answer
2. 1,042 views
How many fewer minutes would it take the driver to travel a distance of 10 miles at a speed of 65 miles per hour than at a speed
1. 2 answers
2. 611 views
(a) Find the electric potential differenceV B − V A due to a point charge q 1 = −2.65 nC that is 0.250 m from location A and
1. 0 answers
2. 810 views
Two charges q 1 = −3.20 nC and q2 = +8.96 nC are at a distance of 1.94 µm from each other. q 1 is fixed at its location while
1. 1 answer
2. 1,505 views
A proton is acted on by an uniform electric field of magnitude 233 N/C pointing in the positive x direction. The particle is
1. 0 answers
2. 911 views
(a) A charged particle accelerates as it moves from location A to location B. IfV A = 170 V and V B = 210 V, what is the sign of
1. 1 answer
2. 1,931 views
Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero volts.(a) What is the electric
1. 0 answers
2. 881 views
An electron has an initial velocity of 2.00 ✕ 10 6 m/s in a uniform 6.00 ✕ 10 5 N/C strength electric field. The field
1. 0 answers
2. 990 views
What is the magnitude and direction of an electric field that exerts a 4.00 ✕ 10 -5 N upward force on a - 1.80 µC charge?N/C
1. 0 answers
2. 711 views
Which of the following statements about electric field lines due to static charges are true? (Select all that apply.)Electric
1. 3 answers
2. 6,869 views
a) calculate the concentration of your unknown (Gatorade) using correct units Note if you did not run the Gatorade use
1. 1 answer
2. 601 views
A solid, uniform disk of radius 0.250 m and mass 60.4 kg rolls down a ramp of length 4.60 m that makes an angle of 18.0° with
1. 1 answer
2. 953 views
What is the force on the charge located at x = +8.00 cm in Figure 17.40(a) given that q = 5.00 n C and a = 7.00? (The positive
1. 0 answers
2. 429 views
Guy has to get a piano onto a 2.4 m high platform. He can use a 3.0 m long frictionless ramp or a 4.0 m long frictionless ramp.
1. 1 answer
2. 1,285 views
At 500 K in the presence of a copper surface, ethanol decomposesaccording to the following equation.C2H5OH(g) CH3CHO(g) + H2(g)
1. 1 answer
2. 2,013 views
A 66-kg baseball player slides into third base. He starts his slide at a speed of 4.3 m/s and his speed is zero just as he
1. 2 answers
2. 9,137 views
A baseball (m = 145 g) traveling 20 m/s moves a fielder's glove backward 25 cm when the ball is caught. What was the average
1. 0 answers
2. 886 views
How much work must be done to stop a 1070 kg car traveling at 111 km/h?
1. 1 answer
2. 475 views
Can the gravitational potential energy of a baseball ever be negative?Yes No Explain without using a formula.
1. 2 answers
2. 1,029 views
(e) If the speed of the ball at the bottom of the circle is v, what is the expression for the centripetal force on the ball in
1. 1 answer
2. 1,749 views
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram
1. 1 answer
2. 3,185 views
A football is kicked from the ground with a speed of 23m/s at an angle of 42 degrees above the horizontala) how long is the
1. 4 answers
2. 2,632 views
A quarterback threw a football at 27 m/s at a certain angle above the horizontal. If it took the ball 3.3 s to reach the top of
1. 1 answer
2. 953 views
A cargo plane is moving with a horizontal velocity ofvx = +230 m/s at a height of y = 840 m above level ground as shown in the
1. 1 answer
2. 613 views
Calculate the maximum deceleration of a car that is heading down a 14.5° slope (one that makes an angle of 14.5° with the
1. 0 answers
2. 1,057 views
Calculate the acceleration of a sled that is heading down a 50° slope (one that makes an angle of 50° with the horizontal).
1. 1 answer
2. 4,408 views
A skydiver weighing 840 N opens his parachute at the appropriate height from the ground. The air exerts a significant upward
1. 1 answer
2. 835 views
A 75 kg person escapes from the burning building by jumping from the window 25 m above a catching net air resistance exerts a 95
1. 0 answers
2. 756 views
A mover has to move a heavy sofa of mass 66 kg to the second floor of the house. As he pulls on the rope tied to the sofa he
1. 1 answer
2. 856 views
The stone was thrown through a distance of 80 cm the act of throwing takes approximately 0.064 s. determine the launch velocity
1. 0 answers
2. 367 views
A contestant in a winter games event pushes a 41.0 kg block of ice in the positive direction across a frozen lake as shown in
1. 1 answer
2. 1,625 views
Sodium vapor lamps are used in Chicago to light city streets. The light emitted (given off) by these lamps has a λ of 5.9 x
1. 1 answer
2. 482 views
A 18.3 g piece of aluminum (which has a molar heat capacity of 24.03 J/oC mol) is heated to82.4oC and dropped into a calorimeter
1. 1 answer
2. 3,199 views
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.5 m/s and
1. 0 answers
2. 704 views
On the moon, the acceleration due to gravity is only 1.6 m/s/s. If someone on earth can throw a baseball 24.2 m high, how high
1. 1 answer
2. 2,938 views
The reactionSO2 + H2O =H2SO4 Is the last step in the commercial production of sulfuric acid . the enthalpy change for this
1. 1 answer
2. 3,077 views
A jet needs to reach a takeoff speed of 75.0 m/s. If the runway is 1625 meters long, whatminimum acceleration is needed? How
1. 1 answer
2. 898 views
while cruising along dark stretch of highway at a speed of 25 m/s you see that bridge ahead has been washed out. you apply the
1. 2 answers
2. 910 views
Displacement vectors A, B, andC add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 22.9° north of
1. 1 answer
2. 1,462 views
Displacement vectorsA, B, and C add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 22.9° north of
1. 0 answers
2. 1,018 views
A 100 L flask contains a mixture of methane and argon gasses at 25 degree C . The mass of argon present is 228 g and the mole
1. 2 answers
2. 3,897 views
A compressed gas cylinder contains 1.00 into 1000 g argon gas . the pressure inside the cylinder is 2050 psi at a temp of 18
1. 1 answer
2. 769 views
A bicycle tire fitted was fitted with the air pressure of 75 psi at temperature 19 degree C riding the bike on a asphalt on a
1. 2 answers
2. 1,507 views
1) Aqueous solutions of potassium sulfate and ammonium nitrate aremixed together. Which statement is correct? A) Both KNO3 and
1. 3 answers
2. 9,356 views
A beaker contain 300.ml of a 0,20 M Pb(NO3) solution. If 200 ml of 0,20M solution og MgCl2 is added to the beaker, What will be
1. 1 answer
2. 864 views
An unknown diprotic acid requires 26.66 mL of 0.117 M NaOH to completely neutralize a 0.845 g sample. what is the molar mass of
1. 1 answer
2. 1,812 views
A student weighs out 0.568 g of KHP (molar mass = 204 g/mol) and titrates to theequivalence point with 36.78 mL of a stock NaOH
1. 1 answer
2. 2,326 views
An analytical procedure requires a solution of chloride ions ,How many grams of CaCl2 must be disolved to make2.15L of 0.0520 M
1. 4 answers
2. 1,997 views
22) A golf ball moving forward with 1 unit of momentum strikes and bounces backward off a heavy bowling ball that is initially
1. 0 answers
2. 1,118 views
The x component of a displacement vectorr is −149 m, while its y component is −174 m. (a) Find the magnitude of r. (b) Find
1. 1 answer
2. 1,078 views
n the spectroscopic analysis of many substances, a series of standard solutions of known concentration are measured to generate
1. 0 answers
2. 965 views
Following oxidation-reduction reaction by using the oxidation state methoda) O2+H2O+Pb=Pb(OH)2
1. 1 answer
2. 604 views
Drow a velocity time graph graph for the ball starting 1.0 s before the collision to 1.0s after the collision
1. 3 answers
2. 492 views
A student mixes 4 reagents together thinking that the solution will neutralize each other . The solutions are mixed together are
1. 1 answer
2. 843 views
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter
1. 0 answers
2. 1,237 views
A 0.450 kg hammer is moving horizontally at 6.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a
1. 4 answers
2. 4,536 views
One hazard of space travel is debris left by previous missions. There are several thousand masses large enough to detect by
1. 2 answers
2. 2,113 views
A 30 ml sample of unknown strong base is neutralized after the addition of 12 ml of a 0.150 M HNO3 solution if the unknown base
1. 1 answer
2. 867 views
10 ml sample of vinegar an aqueous solution 0f acetic acid( HC2H3O2) is titrated with 0.5062 M and 16.58 ml is required to reach
1. 1 answer
2. 3,086 views
A 96.5 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 45.5 m/s. If both are initially at rest and if
1. 0 answers
2. 771 views
A man holding a rock sits on a sled that is sliding across a frozen lake (negligible friction) with a speed of 0.540 m/s. The
1. 0 answers
2. 873 views
Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another and the 48-kg skater
1. 1 answer
2. 9,424 views
Balance following oxidation reduction reactions using oxidation states method?a) Cl2(g) + Al(s) --> Al3+(aq) + Cl- b.) O2(g) +
1. 1 answer
2. 4,233 views
30 ml of sample of unknown strong base is neutralized after the addition of 12 ml of a 0.150 M HNO3 solution if the unknown base
1. 4 answers
2. 3,514 views
a student mixes 4 reagents together thinking that the solution will neutralize each other . The solution is mixed together are
1. 2 answers
2. 762 views
Is momentum conserved when 2 carts having the same mass & the same speed collide, stick together and stop? what about the
1. 0 answers
2. 498 views
what mass of silver chloride can be prepared by the reaction of 100 ml 0,20 M of silver nitrate with 100,0 ml of 0.15 M calcium
1. 1 answer
2. 1,241 views
what mass of barium sulfate can be produced when 100 ml 0.100 M of solution of barium chloride is mixed with 100.0 ml of a 0.100
1. 1 answer
2. 4,581 views
what volume 0,100M of Na2PO4 is required to precipatate all the lead(II) ions from 150 ml of 0.250M Pb(NO3)2
1. 1 answer
2. 509 views
what volume of0.100 M NaPO4 is required to precipitate all the lead(II) ions from 150ml of 0.254 M Pb(NO3)2
1. 2 answers
2. 540 views
Julia and Bianca both leave the college at the same time, but in opposite directions. If Bianca travels 9 mph faster than Julia
1. 1 answer
2. 1,203 views
can you write an equation for the line with slope 2/3 and y-intercept 5?
1. 1 answer
2. 376 views
So I have to write an argumentative essay on Canadians peacekeeping in foreign countries (Cyprus, Rwanda, Somalia, Bosnia,
1. 6 answers
2. 639 views
in right triangle PQR,Q=90DEGREE,PQ=4 AND PR=7 WHAT IS ANGLE R TO THE NEARST TENTH OF A DEGREE
1. 1 answer
2. 1,105 views
the most common english unit of mass is the pound avoirdupois. what is one troy pound in kilograms and in pounds?
1. 1 answer
2. 615 views
use exponential notation to express the number 480 in 3 significant figures and 4 significant figures
1. 2 answers
2. 3,180 views
oxidation state of nitrogen. no2-
1. 0 answers
2. 464 views
oxidation state of nitrogen in n2h4
1. 2 answers
2. 6,568 views
x^4-1/x^3=0
1. 1 answer
2. 281 views
sin^-1(sin 7pi/6)
1. 1 answer
2. 351 views
unscamble the letter to find the name of a malltrrlnematitanaaon
1. 2 answers
2. 624 views
what is the A.S.A cuz i need to find out what it/they do
1. 0 answers
2. 473 views
how old are these rocks please granite sandstone limestone mudstone and conglomerate many thanks.
1. 0 answers
2. 466 views
Jennifer is a 29-year-old administrative assistant married to Antonio, an Italian engineer, whom Jennifer met four years earlier
1. 2 answers
2. 809 views

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