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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?
Determine what focal-length eyepiece is required if your eye can resolve objects 0.10 mm apart at a distance of 25 cm?
The conversion of ketones and aldehydes to imines is an acid-catalyzed process. Discuss why this conversion is actually hindered by the presence of too much acid.
Discuss how their melting points are related to the bonding forces and the crystal structure: NaCl, Sodium chloride and Diamond, C
A box having a net surface area of 1.20 m^2 and a wall thickness of 4 cm is made of an insulating material. An electric heater of 10 W inside the box maintains the inside temperature at 15 C above t
The Cis also double bonded with the O. The compound: HOCH2CH2CH2CHCH . This compound can form a hemiacetaly by reacting with itself in the solution. Determine the structure of this hemiacetal?
By what percent should one raise the tension in a guitar string to change the speed of waves on the string from 319 m/s to 345 m/s?
Equation h=-16t^2+112t provides height of the arrow, shot upward from ground with the initial velocity of 112 ft/s, where t is time after arrow leaves ground.
Into a ballistic pendulum a 15.0 g bullet is fired at 840 m/s consisting of a 24.0 kg bag of sand. The bag rises to a height of 80 cm. The energy changed from kinetic to potential to thermal. Deter
Assume that you wish to make a uniform wire out of 1.00 g of copper. When the wire is to encompass a resistance R = 0.500, and if all of the copper is to be employed. (i) Determine the length of the