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Question- Use Lewis theory to determine the formula for the compound that forms between the two elements listed
Express your answer as a chemical formula.
Al N
Al Br
Ca S
Ba F
I require skilled aid to answer the given problem
Question- What NaCl concentration results when 284 mL of a 0.700 M NaCl solution is mixed with 587 mL of a 0.490 M NaCl solution?
A solution of Na2CO3 is added dropwise to a solution that is 8.70e-02 M in Nd3+and 6.88e-05 M in Hg22+. The Ksp of Nd2(CO3)3 is 1.08e-33.
Complete and balance the molecular equation, including phases, for the reaction of aqueous copper(II) chloride, CuCl2, and aqueous potassium phosphate, K3PO4.
The solid and toluene together weigh 58.30 . The density of toluene at the temperature of the experiment is 0.864. What is the density of the solid
determin the rate for the reaction. (B) how long would it take for 25% of the reactant to decompose?
What is the redox number for nitrogen in a molecule of nitrogen dioxide
Problem- A student starts with 2g of isopentyl alchol (MW =88) and 1.1mL of glacial acetic acid (Molecular weight = 60), density = 1.06 g per ml). 1) Calculate the limiting reagent
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl is correct
Use the standard reduction potentials to find the equilibrium constant for the following reaction at 25 degree Celcius:
Calculate the amount of heat required to heat a 3.8kg gold bar from 27 degree celsius to 63 degree celsius.
what is the length of a helical section of a polypeptide chain of20 residues? what is its length when it is fully
What is the correct ratio of dissociated and undissociated components to make 0.5 L of 0.2 M phosphate buffer, pH 7.7. The correct answer is 8/1, but I'm confused on how to solve the problem.
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