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Give the formula for the conjugate base of each acid
A.) HNO2
b.) H2O2
Like H2O, HCO3- is amphoteric. (a) Give the formula for the conjugate acid of HCO3-.(b) Give theformula for the conjugate base of HCO3-.
A.)
B.)
When an ion-selective electrode for X was immersed in 0.0670 M XCl, the measured potential was 0.0250 V. What is the concentration of X when the potential is 0.0400 V
Presume that a reaction takes place at 320 K and 375 K. Explain what must the activation energy be for the rate constant to double over this temperature change
If the caffeine concentration in a particular brand of soda is 3.21mg/oz, drinking how many cans of soda would be lethal? Assume 10.0 grams of caffeine is a lethal dose and there are 12 oz in a can
Compute the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water. If The value of Ka for HOBr is 2.0x10-9.
The gas phase reaction A + B ® C has a reaction rate which is experimentally observed to follow the relationship rate = k[A]2[B]. Which one of the following would affect the value of the specific rate constant
Calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL and calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL.
when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
One tablespoon of peanut butter has a mass of 15g . It is combusted in a calorimeter whose heat capacity is 130kJ/ degrees C . The temperature of the calorimeter rises from 22.1 degrees C to 25.2 degrees C. Find the food caloric content of peanut ..
Compute the moles of calcium phosphate that can be made by reaction of 0.420 moles of calcium hydroxide with 0.320 moles of phosphoric acid
given that the c-to-c bond in ethyne is a triple bond the average c-h bond energy in ch4 is 415 kjmol along with
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
Draw the estructures of benzoic acid and hydroxide ion, use electron pushing arrows to show how they react, and draw the structure of the products.
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