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Question- A crystal was analyzed using X-ray diffraction with radiation from a molybdenum source. The observed angle was 11.91°. Determine the distance between layers of the crystal. d= pm?
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Given the equilibrium constant, Kp, of 2.40 x 10-3 at 1000 K for N2(g) + 3H2(g) equation 2NH3(g), what is the equilibrium constant for NH3(g) equation 1/2N2(g) + 3/2H2(g) at 1000 K
A 35.0mL sample of 0.150 M acetic acid (CH3COOH) is titrated with 0.150 M NaOH solution. Compute the pH after the following volumes of base have been added.
A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of ..
thiamine hydrochloride c12h18on4scl2is a water soluble form of thiamine vitamin b1 ka3.37 x 10-7.how many grams of the
Realize the calculus to preparate 25 mL of a saline solution 7.4% from 50 mL of a saline solution 11.7%.
Why does the quantum mechanical description of many electron atoms make it difficult to define a precise atom radius
An acid-base equilibrium system is created by disolving 0.10 mol HF in water to a volume of 1.0 L. What is teh effect of adding 0.050 mole F-(aq) to this solution
Pure colored substances mostly exhibit a single peak (i.e. max) in the visible; therefore the simple rules of complementary colors apply. Mixtures are a little more complicated.
Unlkie amines, amides are not ver strong bases. In fact, the nitrogens in amides are not even the most basic position - protonation occurs at the carbonyl oxygen. Provide three reasons why the oxygen in an amide is more basic than the nitrogen.
10g of ethane (C2H6) is burned to heat 100g of water. What would be the final temperature of the water if it was initally at 24 degrees Celsius
Assuming that the water is contaminated, devise a method for disposing of the contaminated water without contaminating the environment, but allowing the recycling plant to resume operations as soon as possible.
a 3.00-g sample of a compound having the formula ch2o n is dissolved in water to form 100.0 ml of solution. the
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