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Question- For the reaction: 4H2(g) + Fe3O4(s) â 3Fe(s) + 4H2O(g). Kc will be given by? If you could show all working that would be fantastic.
I need help for above question.
Aluminum has a face-centered cubic unit cell. If the atomic radius of aluminum is 125 pm, what is the edge length of the unit cell? A) 177 pm B) 354 pm C) 217 pm D) 500 pm E) 250 pm 3. The meniscus of mercury curves downward in a glass tube formin..
Question- Determine if the following reaction is at equilibrium. If not, which direction must it go in order to reach equilibrium? 2 PCl3 (g) + Cl2 (g) P2Cl8 (g)
Hexane has a density
Calculate the pH of a solution that is 0.253M in nitrous acid (HNO_2) and 0.111M in potassium nitrite (KNO_2). Acid dissociation constant
Arrange the following isoelectronic series in order of decreasing radius, from largest to smallest Cl- p^3- Ca^2+ K+ S^2-
Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.
The population mean of the bulb lifetime is 950 h and the population standard deviation is 50 h. calculate the fraction of bulbs expected to have a lifetime less
Problem- If 4-methoxybenzonitrile were used in the hydrolysis of benzonitrile instead of benzonitrile would you expect the rate of the reaction to increase or decrease. Utilize pictures and words in your analysis
calculated the concentration of B-Carotene in your 2.00mL sample to be 2.082x10-6 M, how many grams of B-Carotene are in your sample?
An unknown compound contains only C, H, and O. Combustion of 4.40 g of this compound produced 8.79 g of CO2 and 3.60 g of H2O. What is the empirical formula of the unknown compound. CHO
what is the ph of a solution prepared by mixing 50.00 ml of 0.10 m methylamine ch3nh2 with 20.00 ml of 0.10 m
Fluorine-18, which has a half-life of 110 min, is used in PET scans. (see section 4.5.) If 100 mg of fluorine-18 is shipped at 8 A.M., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:..
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