Pre-Lab Question 9 Perform the following calculation: O 0.99595 g C x cm³ What is the answer to the calculation above with the correct units and significant figures? O 0.9960 O 1.0 g cm³ 0.996 cm³ g cm³ -0.00030 g cm³ x 27.5 °C) + 1.0042 g cm³

Q: What is 63.23 ug in units of kg? O 6.323x10-6 kg O 6.323x104 kg O 6.323x10-8 kg O 6.323x102 kg O…

A: We know1μ=10-9kg

Q: Mg(OH)p(s) → Mg0(s) + H;O(1) Express your answer in kilojoules to one decimal place. kJ

A: Given:

Q: Given the following information, calculate the equilibrium constant (K) of the reaction at 298 K. (R…

A:

Q: At 25 °C, 10.0181 g of an unknown liquid was found to have a volume of 6.75 mL. 1. Calculate the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A:

Q: 1×10 -14 -8 = (6.4×10³ +x)x

A: Step 1: Given equation is:  1×10−14=(6.4×10−8+x)x x2+(6.4×10−8)x−10−14=0 ⇒x2+1086.4x​−10−141​=0 Tip:…

Q: A chemist determines by measurements that 0.025 moles of nitrogen gas participate in a chemical…

A:

Q: Perform the following calculation: -0.0060 cm3 + 1.0042 cm3 What is the answer to the calculation…

A:

Q: A chemistry student needs 35.0 g of isopropenylbenzene for an experiment. He has available 150. g of…

A: Consider the given information is as follows; Mass of isopropenylbenzene = 150. g…

Q: A chemist adds 155.0 mL of a 0.22M barium chloride (BaCl₂) solution to a reaction flask. Calculate…

A: Given, Concentration of barium chloride (BaCl2) solution = 0.22 M = 0.22 mol/L Volume of barium…

Q: Select true or false for the following statements. __Vaporization is when a substance goes from…

A: We have to discuss the statements based on phase change and energy involved in the process.

Q: A chemist adds 80.0 mL of a 2.61 × 10-M mercury(I) chloride (Hg₂Cl₂) solution to a reaction flask.…

A:

Q: A chemist makes 480. mL of copper(II) fluoride (CuF₂) working solution by adding distilled water to…

A:

Q: What is the mass of 6.23 X 10^3 qts of the liquid 4.60 g/mL? (1qt=0.946L)

A: Given, 1 qt =0.946 L therefore ,6.23×103 qts=6.23×103×0.946 L=5893.58 L density of liquid =4.60 g/ml

Q: A chemist makes 820. mL of sodium thiosulfate (Na2S₂O3) working solution by adding distilled water…

A: When we dilute a concentrated solution with pure water, the mole of solute remains constant in the…

Q: mL When blood is donated, sodium oxalate solution is used to precipitate Ca2+, which triggers…

A:

Q: A chemistry student needs 55.00 g of acetone for an experiment. He has available 0.20 kg of a 33.2%…

A: Given that,Mass of acetone=Mass of solution= Mass of solution student use= ?

Q: N204 (9) + 4 H2 (g) → N2 (g) + 4 H20 (9) Express your answer using one decimal place.

A:

Q: (H₂O). Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce…

A: Given - Weight of hydrobromic acid =38.0g Weight of sodium hydroxide =8.5g

Q: Calculate the micromoles of mercury(I) chloride the chemist has added to the flask

A: Molarity = number of moles/volume of solution (in L)  Number of moles = Molarity × volume

Q: Complete the following operations by filling in the value of the exponent for the result: 1 10-4 =…

A: see solution.

Q: For the expression y = (8.2 + 11.56)/9.847, the value of y recorded with the correct number of…

A: The expression given is,

Q: A chemist makes 50.0 mL of iron (III) bromide (FeBr3) working solution by adding distilled water to…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

Q: Ketamine, sometimes used as an adjuvant to general anesthesia, is available as a 1.0 % (w/v)…

A: We have to calculate mass of ketamine

Q: A chemist makes 610. mL of sodium carbonate (Na, CO,) working solution by adding distilled water to…

A:

Q: An organic chemist measures the temperature I of a solution in a reaction flask. Here is the result.…

A: Given,Temperature ( T ) = 29.6 0C

Q: A chemistry student needs 10.00 g of acetyl bromide for an experiment. He has available 0.50 kg of a…

A: weight percent ( % w/w ) is defined as the mass of solute divided by the mass of solution multiplied…

Q: A chemist makes 0.880 L of silver(II) oxide (AgO) working solution by adding distilled water to…

A:

Q: nemist adds 240.0 mL of a 6.5M silver nitrate (AgNO3) solution to a reaction flask. Calculate the…

A: Molarity is defined as number of mole of substance divide by volume of solution in liter

Q: 2. The engine in a boat has a displacement of 350 inches. What is the displacement of this engine in…

A: Conversion factor is the ratio that provides the relation between distinct units of the same…

Q: An organic chemist measures the temperature T of a solution in a reaction flask. Here is the result.…

A: Conversion of °C to K in appropriate significant figures: Formula: T (K) = T(°C) + 273.15

Q: Solve the following problems, take a picture and upload solution here. Make sure to have the correct…

A: Magnesium hydroxide reacts with hydrochloric acid to form water and magnesium chloride. The equation…

Q: Question 1: Determine whether the answer to each calculation has the correct number of significant…

A: (1)

Q: -4 Calculate the volume in liters of a 9.9 × 10 M magnesium fluoride solution that contains 800. mg…

A: Answer:Volume of a solution is equal to the ratio of number of moles of a solute and molar…

Analytical Tools

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