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A reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. If 250 grams of calcium phosphate react with 3 mol of sulfuric acid will 3 mol of calcium sulfate be formed?
The volume of a gas at 95.0 kPa is 300.0 mL. If the pressure is increased to 177 kPa, what will be the new volume?
Which one of the following reactions is a combination reaction. a. A + B -› AB b. AB + CD -› AD + CB c. HX + BOH -› BX + H2O d. A + BC -› B + AC e. AB -› A + B
Choose the answer in which the oxides are arranged in order of increasing acidity (least acidic compound listed first).
Which of the following statements are correct based on the voltaic cell represented below Ni(s)INi2+(1.0M)II Fe3+(0.10M)IFe2+(1.0M) I Pt(s)
If you take a 10.0-mL portion of the stock solution and dilute it to a total volume of 0.230 L, what will be the concentration of the final solution?
The isothermal compressibility of graphite is 1.56 × 10-7 bar-1. At what pressure is density equal to density of diamond?
one type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 325nm.
Assuming that the reaction occurs at constant pressure, how much heat is released. substance - heat of formation kJ/mol C(s)- 718.4 CF4 (g)- (-679.9) CH4 (g)- (-74.8) H (g)- 217.94 HF (g)- (-268.61)
The dream finally became reality when it was shown that mercury-198 can be converted into gold-198 on bombardment by neutrons. A. What small particle is produced in addition to gold-198? B. Write a balanced nuclear equation for the reaction.
An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 10.0pm? Obtain the energy in electron volts (eV) (1eV= 1.602x10^-19J )
Volume of acid (HCl) used= 14.1 mL ;Volume of base (NaOH) used= 22.4 mL; Molarity of standard base (NaOH)= 0.20 M What is the molarity of the acid solution?
first 10 drops of copper ii sulfate was placed into two wells and then a piece of string that was completely saturated
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