Exams & Certification

Who was Emma DeGraffenreid? Group of answer choices An early Civil Rights leader, contemporary with Sojourner Truth. None of the options. Author of the first text of intersectional feminism. A Freedom Rider. A critic of Dr. ?King’s activism. A Black woman who unsuccessfully sued a car manufacturer for racism and sexism. The Correct Answer and […]

Indulging in “popcorn fun” is an Apollonian pleasure. a recommended way to stretch our mental capacities. simply sitting back and being entertained without having to think. an exercise in critical thinking. strictly forbidden. The Correct Answer and Explanation is : The correct answer is: simply sitting back and being entertained without having to think. Explanation:“Popcorn

My given data: from stock bottles: vitamin C tablet = 500mg NaOH: 0.09603 mass of tablets = 1.34g Trial 1: mass of powder 0.29g, NaOH used 17.89mL Trial 2: mass of powder .78g, NaOH used 19.73mL Trial 3: mass of powder .40g, NaOH used 31.80mL The Correct Answer and Explanation is : To solve this

Sodium Hydroxide Reacts With Ascorbic Acid To Produce Sodium Ascorbate And Water. Below Is The Chemical Equation: Sodium hydroxide reacts with ascorbic acid to produce sodium ascorbate and water. Below is the chemical equation: 2NaOH(aq) + H₂CH₂O (aq) Na₂CH₂O(aq) + 2H2O(l) Part A Standardization of the NaOH Solution Trial 1 0.4 Trial 2 Trial 3

In the United States, land is measured in acres and one acre is 43,560 sq ft. a. If you buy a one-acre lot that is in the shape of a square, what would be the length of each side in feet? b. A newspaper advertisement states that all lots in a new housing development will

Draw the structures of the starting materials needed to make 2-methylhept-3-yne in the spaces provided. The starting materials may be any bromoalkane having five carbons or fewer. a) The starting hydrocarbon must be a bromoalkane with five carbons or fewer. b) The hydrocarbon must be a bromoalkane with five carbons or fewer. The Correct Answer

The solubility of silver chloride (AgCl) is 1.9 * 10 ^ – 3 * g / L Calculate kop – Molar mass for silver chloride is 143.5 g/mol. Select one: a. 3.61 * 10 ^ – 9 * mol / L b. 4.68 * 10 ^ – 9 moll L c. 1.75 * 10 ^

Given that AH; CI(g)| = 121.3 kJ-mol- AH; C(g)] = 716.7 kJ-mol- AH; (CC,(g) = -95.7 kJ-mol-! calculate the average molar bond enthalpy of the carbon-chlorine bond in a CCl, molecule. None O 16 6 Given that Y H N AH; [CI(g)] = 121.3 kJ.mol-¹ AH; [C(g)] = 716.7 kJ·mol¯¹ AH; [CC14(g)] = −95.7 kJ·mol−¹

Given that ΔΗ [Cl(g)]=121.3 kJ·mol¹ ΔΗ [C(g)] = 716.7 kJ·mol¹ ΔΗ [CCI(8)] = -95.7 kJ·mol¹ calculate the average molar bond enthalpy of the carbon-chlorine bond in a CCl4 molecule. The Correct Answer and Explanation is : To calculate the average molar bond enthalpy of the carbon-chlorine (C-Cl) bond in a CCl₄ molecule, we can use

Given our discussion of positional numbering systems in Section 4.2.1, see whether you can determine the decimal value of the following number: a. 133 (base 4) b. 367 (base 8, also called octal) c. 1BA (base 16, also called hexadecimal. B is the digit that represents 11; A is the digit that represents 10.) a.