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Question- Using the Lewis concept of acids and bases, identify the Lewis acid and base in each of the following reactions:
Ni(NO3)3(s)+6H2O(l)?Ni(H2O)63+(aq)+3NO3?(aq)
(CH3)2NH(g)+HF(g)?(CH3)2NH2F(s)
Solve the above problem and provide steps with explanation
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
Calculate the energy in joules and calories required to heat 40.0 silver (Ag) from 112 C to 270 C
1.a 4.00 l vessel contains 2.40 moles h2o 1.00 mole co2 2.40 moles of co and 1.00 mole h2 at equilibrium . determine
a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds e.) bonding description f.) lewis dot structure
allowed to burn in the presence of 16.00 g of oxygen. How much (in grams) CH4, O2, CO2, and H2O remain after the reaction is complete?
a toxicologist studying mustard gas, S(CH2CH2Cl)2, prepares a mixture of 0.675 M SCl2 and 0.973 M C2H4 and allows it to react at room temperature (20.0 c) at equilibrium S(CH2CH2Cl)2 = .350 M. calculate Kp
What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.
We store fats as triacylglycerides and not free fatty acids. We do this because it would change our pH and the osmotic pressure of the adipose cells.
What would be the expected Freezing Point and Boiling Point of a solution of 245gm of glucose added to 675 ml of water with a final volume of 710ml
The value of deltaS0 for the following reaction is - 233J/K at 250C. What is the entropy of H2 (g) at 250C? C2H2 (g) + 2H2 (g) ----> C2H6 (g) a.131 b.204 c.102 d. 262
You wish to prepare an HC2H3O2 buffer with a pH of 5.44. If the pKa of this is 4.74, what ratio of C2H3O2-/HC2H3O2 must you use. Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF.
Suppose that 266 mL of argon is collected over water at 25 ? C and 786 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ? C is 23.8 torr. Answer in units of mL.
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