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Explain what would be the equation for the reaction of 1 mol sulfuric acid with 1 mol calcium hydroxide? Determine the hydrogen ion concentration of a solution that has a pH of 4?
A mass of 10 kg in on incline joined to a cable over a pulley and then is fastened to a suspending mass of 30 kg. When the coefficient of friction among the 10 kg mass and the table is 0.2, determin
Discuss what would be the effect of carrying out the sodium iodide in the acetone reaction with the alkyl halides by using an iodide solution half as concentrated?
Boat makes the trip upstream to the certain point in 20 minutes; return trip takes 15 minutes. Find speed of current?
Determine the minimum amount of zinc that would be required for the standard voltaic cell: Zn|Zn2+||Cu2+|Cu to obtain the same electric energy?
A car of 2 kg moves horizontally on a rough road having coefficient of kinetic friction 0.2. It accelerates from rest to 30 m/s in 10 s. Determine the net work done on the car, the work done by fric
Is the reaction spontaneous under standard-state conditions at the 25°C? Explain. Determine the equilibrium constants Kp and Kc for the reaction at the 350 K?
The moon moves about the earth having radius 3.84 x 10^8 m. The mass of earth is around 6.0 x 10^24 kg. What force gives the centripetal force if the Moon revolves and with what speed does it move.
Which of the following intermediates is present in the acid-catalyzed hydrolysis of t-butyl acetate but not in the acid-catalyzed hydrolysis of methyl acetate?
When this fish is moving upward at 3.00 m/s as its head first breaks the surface and consists of an upward speed of 7.30 m/s after two-thirds of its length has left the surface, suppose constant ac
Trip takes 2 hr for Maria and 2.5 hr for Eduardo, as he lives 40 mi farther away. Eduardo travels 5 mph faster than Maria. Determine their average rates.
When a moving charged particle is deflected from the straight-line path as it enters some region, can we conclude that there is absolutely a non-zero a non-zero magnetic field in that region? Descri
Calculate the three major components of dry air and give the approximate (nearest whole number) percentage by the volume of each what weather conditions characterize the photochemical smog
Ethane gas, C2H6, burns in the air and forms the water vapor and carbon dioxide. Balanced the following equation: 2CcH6 + 7O2--> 4CO2 + 6H2O
Child loses his balloon, which increases slowly into the sky. When the balloon is 23 cm in diameter when the child loses it, determine its diameter at the given altitudes? Suppose that the balloon i
The water levels inside and outside the eudiometer are the same. A eudiometer contains a 65.0ml sample of a gas collected by the displacement of water.
Determine the numbers of grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? Explain what volume it will occupy at the S.T.P. if a gas occupies 80.0ml at 100' C and 700 mmHg
Determine amount of time he traveled at each of speeds if the total time for endurance program was 2 hours and 21 minutes?
Evaluate the ΔG reaction for metabolism of 1 mole glucose.Determine the numbers of moles of ATP can be formed by metabolism of 1mol of glucose?
The molecular formula is C7H16O and the IR peaks are at 979.98, 1101.49, 1155.51, 1385.07, 1469.94,2876.23, 2961.11 and 3391.29 wave numbers
When fritz drives to work the trip takes 40 minutes, but when he takes train it takes 30 minutes. Determine distance fritz travels to work if train travels the average of 15 mph faster than his driv
What is the pH of a 0.25 mol/L water solution of potassium hexafluoro phosphate, KPF6 when the hydrogen hexafluoro phosphate, HPF6,is a strong acid.
Determine what ion is responsible for the properties of acidic solution in the water. Determine what ion is responsible for the properties of basic solution in the water
A metal ball of 50 gram is heated to a temperature of 112°C and dropped into a cavity in a big block of ice. When 7.9 grams of ice are melted, determine the specific heat capacity of the metal?
Ater traveling same amount of time on return flight, pilot mentioned that they yet had 300 kilometers to go. Air speed of plane was 600 kilometers per hour. How fast wind was blowing?