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If local train makes one 15 minute stop after passing Centerville express completes its run before local does. Determine maximum distance to nearest kilometer between Westford and Centerville.
A charge of 4.00 mC is positioned at each corner of a square 1.15 m on a side. Find out the magnitude and direction of the force on each and every charge.
When the sodium would require reacting with determine the numbers of moles of water in order to form the 8.2 moles of sodium hydroxide?
Determine the numbers of grams of aluminum chloride will be produced from the reaction of aluminum metal and the 2.0 moles of chlorine gas?
The bubble raises slowly adequate that the air within remains at the similar constant temperature as the water. Determine the volume of the bubble as it reaches the surface?
Determine the numbers of liters of hydrogen gas will be released where the density of hydrogen gas is 0.0899g/L if a 5 gram piece of sodium metal is reacted with the water.
A cylinder comprises 3.5 L of oxygen at 320K and 2.6 atm. The gas is heated, causing a piston in the cylinder to move outward. The heating causes the temperature to increase to 640 K and the volume
Carbon dioxide is bubbled through water to produce hydrogen carbonate (carbonic acid). In order to form the 10.0 grams of carbonic acid, Determine the numbers of liters of carbon dioxide must be us
How long she traveled on interstate highways and how many miles she traveled on state highways? Write the equation for the problem which associates time and distance, where t is time Tory traveled o
(i) In front of the locomotive and (ii) behind the locomotive? Determine the frequency of sound heard by a stationary listener (iii) In front of the locomotive and (iv) behind the locomotive?
If the bathroom is 4 x 5 x 8 ft. Suppose 70% goes into the air and 30% dissolves in the water with no effect on the pH. What will be the concentration of the Chlorine gas in the water and in the ai
A voltaic cell consists of a strip of lead metal in a solution of Pb(NO3)2 in one beaker, withCl2 gas bubbled around the electrode and in the other beaker a platinum electrode is immersed in
A cylindrical specimen of aluminum having a diameter of 19 mm and length of 200 mm is deformed elastically by exerting a tensile force of around 8.0x10^3 N parallel to the cylinder axis. Find out th
Provide the structure of the reactants and the major organic product that results from the reaction of ethylpropanoate and ethyl benzoate in the presence of sodium ethnocide and is then treated wit
An outdoor circular fish pond consists of a diameter of 4 m and a uniform full depth of 1.50 m. A fish halfway down in the pond and 0.55 m from the near side can just view the full height of a 1.80
Describe the pH of a buffer solution prepared by dissolving the12.51g of cyanic acid (HCNO) and 65.60g of sodium cyanate (NaCNO) in the enough water to make 1.00 L of solution [Ka (HCNO)=2.0 x10-4]
How can describe the pH of a buffer solution that contains 0.17 M sodium benzoate (C6H5COONa) and the 0.87 M benzoic acid (C6H5COOH)? Where the Ka=6.5 x10-5 for benzoic acid.
If 100 grams of calcium hydroxide (mild base) are added to a beaker which is having the 50.0 grams of hydrochloric acid, will all of the calcium hydroxide be neutralized? If not, discuss how much wi
Write down the equation for the formation of the precipitate produced in the test tube which is having the calcium hydroxide in the synthesis of ethanol reaction.
Create the 90 % confidence interval with margin of error for proportion of all adults who are smokers? What must be minimum sample size to keep Margin of error under 1%?
Is this a radix reaction? Explain what mass of rust can be removed by the 500 mL of 0.15 M solution of oxalic acid? Rust stains can be removed by washing a surface with a dilute solution of oxalic a
Identify the oxidizing and reducing agent in the reaction. In carnations of a chlorine containing toxic waste such as polychlorinated biphenyl (PCB) produces CO2 and HCL:
Discuss whether the solubility of potassium bitartrate should change when the concentration of KNO3 (aq)changes.
How can estimate the entropy change when the 4.51 mol of an ideal gas expand sat a constant temperature from 17.5L to a final volume of 75.4L in joules/K.
Supposing no air drag, determine the rocket’s kinetic energy if it is 1000 km over the surface of Earth.