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Question #a2b19

A certain amount of rubidium iodide was dissolved in #"4.6 L"#. A #"1L"# aliquot was extracted an diluted to #"13.9 L"# to form a #"0.65 M"# solution in water. What mass of rubidium iodide was dissolved into the original solution?

Question #7908b

The volume of a gas is reduced from 4 L to 0.5 L while the temperature is held constant. How does the gas pressure change?

A 100 N force is applied to a plow by the horse pulling the plow. How much work does it take for the horse to pull the plow 100 meters in 5 minutes?

Question #f33b1

Question #cd938

Question #c7491

Why is the aqueous solution of aluminium chloride acidic?

Question #70cfb

A particle moves along X direction with constant acceleration. it velocity after 4s is 18 m/s and displacement is 56m find out its initial velocity and acceleration?

Question #0996a

Question #7ea96

Question #00a80

Question #17787

An object is at rest at #(1 ,2 ,8 )# and constantly accelerates at a rate of #1 m/s^2# as it moves to point B. If point B is at #(3 ,7 ,4 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.

What is the average speed of an object that is still at #t=0# and accelerates at a rate of #a(t) =2t^22t2# from #t in [2, 3]#?

The gas inside of a container exerts #9 Pa# of pressure and is at a temperature of #35 ^o K#. If the temperature of the gas changes to #20 ^oK# with no change in the container's volume, what is the new pressure of the gas?

If 28 g of #C_3H_8# and 45 g of #O_2# are reacted together, which one would be the limiting reactant?

Question #55d02

If a projectile is shot at a velocity of #23 m/s# and an angle of #pi/12#, how far will the projectile travel before landing?

The element Ga has how many valence electrons?

The pH of a solution is 7.0. What is the pOH?

Question #25bd1

What is the average speed, on #t in [0,5]#, of an object that is moving at #7 m/s# at #t=0# and accelerates at a rate of #a(t) =2t^2+2# on #t in [0,2]#?

How do you find the equation of a line tangent to the function #y=x^32x^2+2# at (2,2)?

What is the average speed of an object that is moving at #4 m/s# at #t=0# and accelerates at a rate of #a(t) =2t# on #t in [0,3]#?

An object is at rest at #(1 ,2 ,9 )# and constantly accelerates at a rate of #1 m/s^2# as it moves to point B. If point B is at #(3 ,1 ,4 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.

How many moles of hydrogen are in a #3.2*mol# quantity of #"ammonium hydroxide"#?

How many oxygen atoms are there in one formula unit of copper(ll) phosphate?

What is the average speed of an object that is still at #t=0# and accelerates at a rate of #a(t) = 5t+1# from #t in [0, 6]#?

If #16 L# of a gas at room temperature exerts a pressure of #5 kPa# on its container, what pressure will the gas exert if the container's volume changes to #2 L#?

Question #c0cbd

How do you find #lim 1+1/x# as #x>0^#?

Calculate the molar mass in #"g"/"mol"#of diacetyl (butanedione) given that in the gas phase #100# degrees Celsius and #747# torr, a #0.3060# g sample of diacetyl occupies a volume of #0.111L#?

Question #10023

A particle is projected from the origin #(0,0)# in the #xy# plane at angle of #37^o# with the x axis with a speed of #10# #ms^1#, its acceleration being #(5 hati + 10 hatj)# #ms^2#. What is the speed of the particle when the xcoordinate is again zero?

How would you identify the missing coefficient in the balanced equation and classify the type of reaction?

Question #e0ae8

how much of each substance will be present at the end of the reaction? If 1.22g of the solid formed, what is the percent yield of this reaction?

What is the average speed of an object that is moving at #22 m/s# at #t=0# and accelerates at a rate of #a(t) =t2# on #t in [0,2]#?

Question #1ef73

How do you solve #2x  38= 81 5x#?

What is an idea or explanation that leads to scientific investigation called?

Question #10a38

How many moles of carbon dioxide is formed when 4.0 moles of carbonic acid decomposes (water is the other product)?

The air in the inner tube of the tire of a racing bike has a pressure of 115 psi. How do you convert this pressure to atm?

A charge of #2 C# is at #(5 , 1 )# and a charge of #3 C# is at #(0 ,4) #. If both coordinates are in meters, what is the force between the charges?

A projectile is shot from the ground at a velocity of #4 m/s# and at an angle of #(5pi)/6#. How long will it take for the projectile to land?

Question #d8d98

What is an acronym or pnemonic to remember the strong bases?

What type of compound forms hydrogen ions in solution?

Which species undergoes a loss of electrons in this equation: #Mg(s) + 2Ag^+(aq) > Mg^(2+)(aq) + 2Ag(s)#?

Question #a292a

Mike's car can accelerate from 0 mph to 40 mph in 5 seconds. What is the acceleration of his car in miles per hour per second?

Limiting Reagent Question?

Question #67d87

Question #9d0d1

Question #a9717

At sea level, the atmosphere exerts a pressure of 450 pounds on a surface with an area of 30 square inches. How much pressure per square inch does the atmosphere exert on surfaces at sea level?

Objects A and B are at the origin. If object A moves to #(2 ,2 )# and object B moves to #(7 ,5 )# over #3 s#, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.

What is the conjugate base of #HNO_2#?

7% of what number is 42?

Question #87c07

How can you determine if the molecular formula a compound is the same as its of empirical formula?

What is the force, in terms of Coulomb's constant, between two electrical charges of #6 C# and #6 C# that are #12 m # apart?

Question #e2d82

Question #9c52c

The table below shows the specific heats of several metals. The temperature of a 15g sample of an unknown metal increases from 20.0 C to 30.0 C when it absorbs 67.5 J of heat. Which of the metals in the table below could be the unknown metal?

Question #f9a45

Question #f4d64

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