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What is the charge on cation formed from the following elements? For those elements that form more than one cation, indicate the ionic charges most commonly observed.
1. Gallium
Express your answer as an ion(s) separated by a comma.
2.NickelExpress your answer as an ion(s) separated by a comma.
3.CopperExpress your answer as an ion(s) separated by a comma.
4.Strontium
Solve an equilibrium problem (using an ICE table) to calculate the pH 1)a solution that is 0.13M in NH3 and 0.15M in NH4Cl 2) 185.0 mL of 0.12M C2H5NH2 with 265 mL of 0.20M C2H5NH3Cl
what the volume of 0.109m HNO3 that is required to reat completely with 2.5g Barium hydroxide
Read the programming problem and create a UML diagram for a custom object and flowcharts for the method and for the script you will place in the body section. Write the JavaScript code to implement the object and methods.Create an HTML form that prom..
The standard enthalpy of atomization of an element is the energy necessary to convert one mole of an element in its stable form at 25 degree Celsius to one mole of monoatomic gas.
Calculate the entropy of fusion of a compound at 20 oC given that enthalpy of fusion is 45 kJ/mol at its melting point of 162 oC and Cp of liquid
Calculate the change in entropy (in J/K) when 81.8 g of water is heated from 27.9 ºC to 87.8 ºC at 1 atm. (The specific heat is 4.184 J/(g-K).)
Two concentration measurements, 1 year apart, are made on a sample of this radioactive element. In the later measurement, it is found that 0.07% of the parent atoms present at the time of the first measurement have decayed. Define what is the half..
a 2.16-l sample of oxygen is collected at 99.6 kpa and 305k. if the pressure increases to 122.8 kpa and the temperature
the second-order reaction 2 mnco5 mn2co10 has a rate constant equal to 3.0 x 109 m-1 s-1 at 25degc. if the initial
The atomic radius of nickel is 124 pm, and the average mass of nickel is 58.6934 amu. How do I calculate the density of nickel assuming that it is simple cubic, then body-centered cubic, and then face-centered cubic cell structures.
it has been determined that the body can generate 5500 kj of energy during one hour of strenuous exercise. perspiration
The freezing point of a solution of 0.10 g of an unknown compound in 5.640 g of camphor (Kf = 37.7 degrees C/m) is 2.1 degrees C lower than the freezing point of pure camphor. Calculate the molar mass of the unknown compound assuming it is a non-e..
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