OC userin Chemistry·4 Jun 2018A reaction has (deltaH)=98kJ and (deltaS)=292J/K. Investigate thespontaneity of the reaction at room temperature. Would increasingthe temperature have any effect on the spontaneity of thereaction?I don't understand how to calculate the spontaneity...
emeraldgnat376Lv1in Chemistry·19 Feb 2021If an unknown solution contains starch and sucrose how could you prove this?
OC userin Chemistry·1 Jun 201819. How does Ecell depend on the concentrations of the reactants and products in the redox reaction occurring in the cell? What effect does increasing the concentration of a reactant have on Ecol? Increasing the concentration of a product?
OC userin Chemistry·3 Jun 2018Contains Verified Answer8. What is the pH of a 0.100 M hypochlorous acid solution? The Ka of HClO is 3.5 x 10-8. a) 3.72 b) 3.23 c) 4.72 d) 4.23 e) 5.08
coppergiraffe453Lv1in Chemistry·20 Feb 2021Is there evidence of coagulation when the egg white solution and ethyl alcohol were mixed? Describe the evidence.
OC userin Chemistry·1 Jun 2018B) Complete the electron flow arrows on both sides of the equation to account for the structures. voi vaid
OC userin Chemistry·31 May 20183. (10 marks) Trinitroglycerin, C3H5N309, has been widely used as an explosive. At 1 atm and 25 °C, the trinitroglycerin decomposes as follows: 4C3H5N309(1) -→ 6N2(g) + 12C02(g) + 10H20(1) + O2(g) AH° = -6165.6 kJ a) Calculate the standard heat of formation of trinitroglycerin, given the values below. Substance AHⓇkJ/mol H20 (1) -285.6 CO2 (g) -393.5
sapphirecicada711Lv1in Chemistry·19 Feb 2021What does a reaction of the dissolution of look like, and will a saturated aqueous solution be acidic, basic, or neutral?
pucemarten769Lv1in Chemistry·18 Feb 2021Which of the following is an endothermic process? A. Water Evaporating B. Wood Burning C. Dynamite exploding D. Gasoline combustion
OC userin Chemistry·30 May 201854. Which outer electron configurations would you expect to belong to a noble gas? To a metalloid? a. ns? b. ns np c. nsnp5 d. ns²np2
OC userin Chemistry·2 Jun 201873. Consider these two gas-phase reactions: a. AA(g) + BB(3) — 2 AB(8) b. AB(g) + CD() — AC(8) + BD (8) If the reactions have identical activation barriers and are carried out under the same conditions, which one would you expect to have the faster rate?
OC userin Chemistry·1 Jun 2018For the reaction 2NO(g) + Br2(g) <=> 2NOBr(g)Kc = 1.4 at 298K. Write down the form of the equilibriumconstant for this reaction. If a container of volume 1 L isinitially filled with 0.001 mol of each gas, does the reaction moveto the left or to the right to reach equilibrium? thanks!!
OC userin Chemistry·30 May 2018 In each of the following groups of substances, pick the one that has the given property. Highest boiling point: CS2, CH2Cl2, CCl4 Lowest freezing point: H2O, NH3, CH4 CH2Cl2, H2O CS2, H2O CCl4, NH3 CS2, CH4 CCl4, CH4
OC userin Chemistry·2 Jun 2018115. Draw the structure and name a compound with the formula CgHis that forms only one product with the formula C3H1yBr when it is treated with Brz.