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A cube of metal measuring 14.2 mm on a side is placed in a graduated cylinder containing 25.3 mL of water. What is the final volume of reading in the measuring cylinder?
Find t what temperature is it necessary to have twice as many atoms in the ground state as in the excited state at 16.4 1/cm of c atoms The degeneracy of the ground state is 1 and the first state degeneracy is 3
Calculate the pressure and the temperature of the compressed gas. In a diesel engine the compression ratios are typically much higher; redo the same calculation for the compression ratio of 20:1.
Hydrazine (N2H4) is a fuel used by some spacecraft. It is normally reacted with N2O4 according to the equation: N2H4(l) + N2O4 (g) 2 N2O(g) + 2 H2O (g) a) Identify the oxidizing agent and the reducing agent in the reaction
Write the chemical equation for all the reactions both SN1 and SN2 involving primary and secondary substrates b) Rank the primary halide in order of increasing reactivity toward SN2
How many of each type of atom are there in a cubic crystal with an edge length of 4nm?
how many grams of aspiring were lost in the washing process you used to purify the product, assuming you used 50 mL of water for washing? The solubility of aspiring in water is 0.33 grams per 100 mL at room temperature?
Nitrogen dioxide and water react to produce nitric acid HNO3, and nitrogen oxide: 3NO2(g) + H2O(l) -------- 2HNO3(aq) + NO(g)
which of the following compounds is expected to have the strongest ionic bonds. a) RbF b) NaF c) NaI d) CsBr e) CsI
Does the body have an impact on the brain? If so, how much? What do you have to back up your position?
Which of the following correctly shows the oxidation numbers for each of the elements in H2PO4?, I2, and Al(OH)4
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed.
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
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