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Question- 1) 45.0 mL of 1.75 M NaOH is neutralized by 73.6 mL of an HCl solution. What is the molarity of the HCl solution.
2) A sample of Helium gas occupies 1,045 mL at 621 mmHg. For a gas sample at a constant temperature, determine volume of helium at 745 mmHg.
3) A gas temperature of 185 degrees C occupies a volume of 475 mL. Assuming constant pressure, determine the volume at 55 degrees C.
4) Calculate the volume, in liters of 4.75 mol H2S(g) at 90 degrees C and 1.75 atm.
5) If one strand of a DNA double helix has the sequence ATTCGGCTAC, what is the sequence of the other DNA strand?
Provide complete steps to solve the above question any help is appreciated
What is the mass change (in grams) accompanying the formation of CO and H2 in the water gas reaction?
one mole of and ideal moatomic gas initially at stp is adiabatically expanded into a vacuum. calculate the temperature
Question- Note the electronic structure of Cadmium (II) and indicate the group (type A, borderline, or type b) in which it should be placed. Predict the principal inorganic forms of the element in fresh and sea water under both oxidizing and reduc..
Determine the standard cell potential, Ecell, of a galvanic cell consisting of the Ag+ (1M)/Ag and the Cr3+ (1M)/Cr redox couples.
Question- Using 2g of adsorbents, someone experiments about a benzene adsorption. The benzene with a volume of 100ml. When the adsorbent is adsorbed benzene,
A certain reaction A ? products is second order in A. If this reaction is 10.% complete after 20. s, how long would it take for the reaction to be 90.% complete
Give the balanced thermochemical equation for the following reactions. show the correct physical state in each equation.
Find the mass of 2 moles of phosphorus trichloride.
For which of the following equilibria does Kc correspond to an acid-ionization constant, Ka? NH3(aq) + H3O+(aq) NH4+(aq) + H2O(l) NH4+(aq) + H2O(l) NH3(aq) + H3O+(aq) NH4+(aq) + OH-(aq) NH3(aq) + H2O(l) HF(aq) + OH-(aq) H2O(l) + F-(aq) F-(aq) + H2..
physiological saline solution contains 0.90 nacl solution used in this intravenous injections. determine how many grams
Calculate the expected pH of a 0.100 M of ammonium chloride given that Kb for ammonia is 1.76 x 10^-5.
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. 2NaN3(s) ------> 2Na(s) + 3N2(g) Calculate the value of w (work) for the following system if 14.7 g of NaN3 reacts comple..
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