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Problem- Rhodium, a metal used as a catalyst and in jewelry, currently sells for $1500. per troy ounce. If 6.022 x 10^23 rhodium atoms have a mass of 102.9 grams, how many rhodium atoms could you buy for exactly one nickel? (1 troy ounce = 31.1035 g)
Note: best answer using the chain rule gets max points
Here is the question which I am struggling on, please help me!
Aluminum has a face-centered cubic unit cell. If the atomic radius of aluminum is 125 pm, what is the edge length of the unit cell? A) 177 pm B) 354 pm C) 217 pm D) 500 pm E) 250 pm 3. The meniscus of mercury curves downward in a glass tube formin..
It was found that 19.33 mL of an HI solution are needed to react completely with 320 mL of a LiOH solution that has a pH of 11.87. What is the molarity of the HI solution
Determine the nuclear binding energy of uranium-234 atomic mass = 234.040947 amu in units of joules per nucleon. [Data- neutron mass = 1.674928 × 10-24 g; proton mass = 1.672623 × 10-24 g; electron mass = 9.109387 × 10-28 g; NA = 6.0221367 × 1023 ..
The Henry's Law constant for CH3Br gas in water at 25 oC is 0.159 mol/L-atm. Calculate the solubility of CH3Br in water at 25 oC in moles/L if the partial pressure of CH3Br in the headspace above a water sample is 1.71 atm.
how many grams of ammonium sulfate can be produced in 30 mol of h2so4 react with excess nh3 according to the equation
In a fictitious lab experiment a class studied two acid base reactions and recorded the temperature change. class averages were reported 1) 30 ml of 3 molar hcl with 30 ml of 1.5 naoh change in temp was 12.2 +or - 1.3
calculate the number of moles of nitrogen dioxide that could be prepared from 0.35 mole of nitrogen monoxide and 0.25
If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
Based on ion charges and relative ion sizes, rank these ionic compounds by their expected melting points SrO CsBr SrF2 RbF
assume that ethanol c2h5oh of 160 gramsnbspnbsp at the temperature of 27 degrees celsius is added with ethanol of 280
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C
A chemistry student needs to weigh out exactly 1.19 mol of Mg(HCO3)2 to perform a laboratory experiment. How many grams should he weigh out?
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