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Assume a compound is involved in three different reactions which is denoted as R1, R2, and R3. Tripling the concentration of this reactant in all three reactions causes the rates of reaction to incr
He sends out the car to catch truck. If truck travels at the average speed of 50 mph and car travels at 70 mph, how long will it take car to catch truck?
Suppose if your doctor has diagnosed you as being anemic, that is, as containing too little iron in your blood. At the drugstore, you get a two iron-containing dietary supplements, one with iron (II
At 800 K 100.0 m moles of HI are initially in a 1.00 L container. After 10.0 minutes the concentration reduces to 15.0000mmole/L. Calculate the average rate of production of H2 in m mole/L min
Length is twice the width. Material for base cost $10 per square meter and its sides price $6 per square meter. State cost as the function of containers width.
Estimate the temperature of the discharge gas if the ratio of the intensities of the lines originating from levels n = 3 and n = 4 is150/1 in the Balmer spectrum of a hydrogen discharge.
A cannon ball made of iron which is having the volume of 115 cm3. What is the mass of the cannon ball in kilograms if iron has a density of 7.86 g/cm3.
A physician has ordered 325 mg of atropine, intra muscularly, determine the number of milliliters would you require to give if the atropine were available as 0.50 g/mL of solution.
Determine the mass of NaCl which is necessary to add to 200ml of water (which is having the density of =1.0 g/mL) to make a 1 molality solution.
Calculate the freezing point depression of the solution and determine the molality of the solution and molar mass of the solute if a solution is organized by dissolving 138.50g of sucrose, a non-ele
Determine the numbers of molecules of NaCl are in 250 ml of a 5 mM solution? For each mole of substance there are 6.023 x1023 molecules (or number of that substance).
Determine the number of grams of NaCl would you require to add 500 ml of water to make a 5 % solution? Explain in detail.
To cover to two non-contributors, everyone else has to put in additional 16 cents. Find number of people ate breakfast?
If the electron is in the state n=1, determine the probability of finding it in the region 0 ≤ x ≤ 1/4L When an electron confined to a metallic nano-particle is modeled as a particle in 1-D b
Identify the acid and base including the number of equivalents per mole of each. FeCl3 reacts with NaHCO3 and how do you balance the following acid-base neutralization reaction? Explain i
The bromide ion is a weaker ligand comparison to the chloride ion. Would you expect a lesser or greater color change when a concentrated solution of bromide ion is added to a solution of CuSO4?
When comparing the stability of an ethlenediamine complex versus an ammonia complex with a metal ion which is having a coordination number of 6, then discuss which complex would most likely react wi
Determine the number of grams of H2SO4 would be formed in the atmosphere if 279 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4.
A solution is prepared with 1.500g of adrenaline in157g of CCl4 where Tf = -22.3 degree Celsius and Kf=29.8 C/m and the freezing point of the solution was determined experimentally to be -23.7 de
At begin of voyage there were 17 anteaters, and population of anteaters doubled every 2.8 weeks. How long in voyage were there 200 ants per anteater?
NaOH which is having 25.49 ml were needed to neutralize the .5208g of KHP (m.w.204.33) dissolved in the water. This titration served to standardize the NaOH.
The relative reactivity of 1º, 2º, and 3º hydrogen's in free radical chlorination under certain conditions at 293 K is 1: 3.5: 4. Determine the relative percent yield of 3-chloro-2, 5
Determine the number of years would be needed to reduce it to the ppm level? Potassium-40 is 0.001% of naturally occurring potassium. It has a half life of 1 x 109 years?
Assume that an internal combustion engine runs on octane, for which the enthalpy of combustion is -5512 kj mol-1 and take the mass of 1 gallon of fuel as 3kg.
Find out the base and the number of equivalents per mole. Balance the following acid base neutralization reaction. Identify the acid and the number of equivalents per mole.