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The movie theater has the seating capacity of 349. If total ticket sales was $ 2542, Find number of children, students, and adults attended?
The solution of acetic acid (HC2H3O2) on a laboratory ridge was of undecided concentration. If the pH of the solution was given 2.81, determine the original concentration of the acetic acid?
Determine how much ice in grams would have to melt at the lower temperature to 468 ml of water from 39 degrees C. to 2 degrees C. (Suppose the density of water is 1.00 g/ml, the heat of fusion for w
Determine the number of heat in kilojoules is developed in converting 3the 6.0 g steam at 180 degrees C. to ice at -60 degrees C. (where the heat capacity of steam is 1.184 J/g-c and the ice is 2.09
The scholarship fund gets the gift of $ 145000. Money is invested in stocks, bonds, and CDs. How much was invested in each account?
A beam of laser light having wavelength 612 nm is directed via a slab of glass with index of refraction 1.5. (a) For what least incident angle would a ray of light undergo net internal reflection?
The wavelength of a red laser pointer light of 808 nm. In the form of visible radiation if the laser emits 7.50E-4 J of energy in per second, than calculate the number of moles of photons in per se
The detergents contains some of the compounds that have a suffocate group on its place of a carboxylate. Identifies that why do detergents work better comparison the soaps at all the pH ranges?
Count in the bateria culture was 100 after 20 minutes and 1800 after 30 minutes. Suppose count grows exponentially. Determine the population after 110 minutes.
Identifies some of the possible side products which is absorbed from an aldol condensation reaction, where a benzaldehyde reacts with an acetone molecule. Determine at least three of them. .
Determine the molarity of a solution which is made by dissolving 48.2g of Magnesium Bisulfate in sufficient water to produce the 300 mL of solution?
A collapsible vessel which is having the volume of 40.0 L 1.31 mole of dry nitrogen at an unknown temperature and have the pressure of 710 mmHg.
They are labeled consecutively and a 10V battery is joined to nodes 1 and 3 (in another words, there are 2 resistors between the battery on one side of the hexagon, and 4 on the other side of the he
If the heat released During the condensation goes only on the way to heating metal if the heat released than Calculate the final temperature of the lead block in degrees Celsius?
Suppose the percentage score,p(n), is the function of number of hours, n, that you study in form p(n)=an+b/cn+d. If you wish the score of 80%, how long do you require to study?
A gaseous hydrocarbon is decomposed and it is having the 82.66% C and 17.34% H, by mass. The volume of 158 ml of the gas, calculated at 556 mmHg and 25 degrees C., is originate be 275 mg. How can d
Determine the number of grams of KOH must be dissolved in the water to produce the 88.0mL of a solution, which will react with 113mL of 1.10 MCH3COOH?
A spelunker is surveying a cave. She follows a path which takes her a distance 173 straight west, then a distance 200 in the direction 45.0 east of south, then a distance 288 at 30.0 east of north.
The characteristics of an amino-acid of C=O carbonyl stretch has an energy of 3.367 x 10-20 J. Determine the wavelength in nm, where the frequency is s-1, the wave number in cm-1, and its energy
The sample of an unknown substance of .2436-g melts in 20.0 mL of cyclo-hexane. The density of cyclo-hexane found the 0.779-g/mL and the freezing point depression was 2.1 C. Determine the mola
During the study of net ionic equation for Hc2H3O2 and NH3 H2O which is H+ + NH3 --->NH4+ Why the solution is weak electrolyte but strong conductor when it mixed into the solution? Expla
If profit on each racing skate is $8 and profit on figure skate is $10, how many of each must be made each day to maximize profit?
Label the 6 nodes consecutively. A 10V battery is joined to nodes 1 and 3. In another words, there are two resistors between the battery on one side of the hexagon, and 4 on the other side of the he
Calculate at what mass of aluminum can be formed by the Hall process within a period of 19.3 h, by using a current of4.1 MA? Explain in detail.
150L of concentrated HCl (12.0M) is released into a lake having 5.0 x 105 m3of water during the highway accident. If the pH of this lake was 7.0 prior during the accident, Calculate the pH of t