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If .090 mole of solid NaOH is added to 1.0 liter of .180 M CH3COOH, what will the pH of the resulting solution be
A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.40 s. What is the friction force acting on the bag
Calculate Eo, E, and deltaG for the following cell reactions Mg (s) + Sn2+ (aq) <===> Mg2+(aq) + Sn(s) [Mg2+]= 0.045 M, [Sn2+] = 0.035 M
Write a paragraph that describes your biome. Describe where it is located in the world and specifically in the USA. Describe the climate and seasons of your biome.
If 50 mL of .100 M NaOH is titrated with .100 M HCl, what is the pH of the solution after 30 ml of HCl solution has been added
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the electric field before and after the Mylar is withdrawn
A rifel with a barrel length of 63cm fires a bullet with a horizontal speed of 380m/s. How long does it take for the bullet to come to rest after entering the wood
A stone is thrown straight up with a speed of 25.0 m/s from the top of a building 55.0 m tall. How far above the ground will the stone go
A 4.50 kg package slides 1.30 m down a long ramp that is inclined at 10.8° below the horizontal. Calculate the work done on the package by gravity
A luggage handler pulls a 20.0-kg suitcase up a ramp inclined at 24.0° above the horizontal by a force of magnitude 148 N that acts parallel to the ramp. Calculate the work done on the suitcase
A 1.00-kg block of ice is placed against a horizontal spring that has force constant k = 175 N/m and is compressed 0.021 m. What is the speed of the block after it leaves the spring
How many electrons could occupy a subshell with the following quantum numbers? A) n=5, l=4, B) n=2, l=0, ml=0
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 1.56 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and c
How many orbitals are there in a atom with the following combinations of quantum numbers? A). n=3 l=1 B). n=4 l=2 ml=2
Calculate the value of E cell for the following reaction 2Fe2+(aq) + Cd2+(aq) ? 2Fe3+(aq) + Cd(s)
A sled with a mass of 8.00 kg moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.20 M buffer solution at pH 4.5? Enter your answer to two significant figures.
A factory worker pushes a 26.0 kg crate a distance of 6.6 m along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
How might the yield of product be affected by adding twice as much water as is specified, while keeping the quantities of the other reagents the same
Complete and balance the following equation: BrO3^-(aq)+N2H4(aq) -> Br2(l)+N2(g) (acidic solution) And identify the oxidizing and reducing agents from the resulting balanced equation.
A suitcase falls out of an airplane which is 400 meters above the ground. What is the time it takes for the suitcase to reach the ground
Identify an alkane with the molecular formula c5h12 that forms only one monochlorinated product when heated with Cl2
Professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph (miles per hour). how much kinetic energy does the ball have
A proton in a linear accelerator has a de Broglie wavelength of 149\rm pm . What is the speed of the proton?
A. How many grams of can be produced from 4.40mol of Na B. How many grams of H2 are needed to produce 14.81g of Na C. How many molecules (not moles) of NH3 are produced from 8.22×10?4g of H2