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Question- Sample of rubidium carbonate weighing 7.0 g required 2.0 g hydrogen chloride gas to decompose in water, rub chl, and carb dioxide gas. Total mass of water and rub chloride formed is 7.9 g and no hydrogen chloride or rub carb remains. According to the law of cons of mass, what mass of carb dioxide must have been formed?
I am need of complete solution for this problem please help- me out to get right solution
What would be the speed of the following particles if they had the same wavelength as a photon of green light (? = 500.0 nm)? Proton (mass = 1.673 × 10-24 g) Neutron (mass = 1.675 × 10-24 g) Electron (mass = 9.109 × 10-28 g) Alpha particle (mass =..
The iron content of an ore can be determined by a redox titration using K2Cr2O7 as the titrant. A sample of the ore is dissolved in concentrated HCl using Sn2+ to speed its dissolution by reducing Fe3+ to Fe2+.
Given that the total number of atoms on our planet remains fairly constant, how is it ever possible to deplete a natural resource such as a metal
Calculate the equilibrium pressures of all species. What is the value of Q for this system
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
In a protein determination, the color of dye changes to blue when it binds to protein, and the absorbance of light is measured. The data below were taken to calibrate the instrument
ammonia is made industrially by reacting nitrogen and hydrogen under pressure at high temperature and in the presence
A disinfectant states that it will kill 99.9% of bacteria if left on for 45 minutes. What percentage of bacteria are killed if the disinfectant is left on only for 5 minutes
When a 5.8 g serving of cereal burns in the same bomb calorimeter, the temperatrue of the calorimeter increases by 1.92 C. Calculate the fuel value of the cereal in kj/g.
how many rotational levels are there, approximately, between v=0 and v=1 vibrational levels, which are 559.71 cm-1 apart in energy? B=0.2441 cm-1.
A sample of gas in a balloon has an initial temperature of 35 degree celsius and a volume of 1120 L. If the temperature changes to 74 degree celsius, and there is no change of pressure or amount of gas, what is the new volume,V2, of the gas
the kp value was calculated as 8.491 g. what does the kp value tell you about the solubility of benzoic in the two
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