If a particle is traveling at 98% of the speed of light in a vacuum (2.998 x 10³ m/s), what is its velocity in miles per hour? 1.00 miles = 1.61 km. A None of these (B 6.57 x 108 6.70 x 108 (D 6.84 x 108 E) 6.90 x 108

Q: 52.1429 Mass of evaporating dish 9.97mL Volume of KCI solution (use about 6 mL but record actual…

A: It is given : mass of evaporating dish = 52.142 gVolume of KCl solution = 9.97 mLMass of evaporating…

Q: A reaction is carried out in the laboratory and the percent yield is calculated to be 67.0%. The…

A:

Q: with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . What is the…

A: The question is based on the concept of Reaction Stoichiometry.   We have to identify the limiting…

Q: Was your average experimental mass percent of oxygen in potassium chlorate higher or lower than the…

A: One mol KClO3 contain 3 mol of oxygen and 1 mol of K and 1 mol of Cl Molecular mass of KClO3 = 122.5…

Q: Mass of aluminum foil + product in grams (2)2.63gMass of aluminum foil alone in grams (3)0.55g…

A: Since you have asked a question with multiple subparts, we will answer only first 3 subparts for…

Q: or posting it 8) Because of the high heat and low humidity in the summer in requires about one quart…

A: Given: 2 miles of travelling on foot requires=1 quart of water. We are given that, 1 mile = 1.609…

Q: What is the major product of the following reaction? Br NaOCH3 heat

A: In this question we have to tell the major organic product of the reaction.

Q: 8.00 grams of sodium sulfate dissolves in water. This is then reacted with 8.00grams of calcium…

A: Given,mass of sodium sulfate ( Na2SO4 ) = 8.00 gmass of calcium chloride ( CaCl2 ) = 8.00 g

Q: Q1. Calçulate moles of NaC,H;O; (s), then use greaction to calculate AH,eation for anhydrous sodium…

A: Formual to calculate ∆Hreaction  is given as : ∆Hreaction  = - qreaction / n  where, n = moles ,…

Q: Which product would be formed in the reaction below? Brz ? H;O а. Br

A:

Q: What is the mass in grams of KBr in 0.400 of a 0.350 L M solution?

A: SOLUTION: Step 1: Volume of KBr = 0.400 L = 400 mL Molarity of the solution: 0.350 M Molar Mass of…

Q: Perform the conversions between energy units. 8.70 x 10² kJ = 3255 kcal = 5.27 x 106 J = kJ kcal

A: Energy unit conversions are an essential aspect of physics and engineering, allowing us to express…

Q: Many home barbecues are fueled with propane gas (C3H8). What mass of carbon dioxide is produced upon…

A: Given : Volume of propane = 14.5 L = 14500 mL                                             (since 1 L…

Q: Why we don't have to divide ± 0.015 g?

A: In this question, we have to answer related to the preceding question.

Q: 1-4

A: 1. The balanced equation is : 2 C2H2  +  5 O2  →  4 CO2  +  2 H2OH    4…

Q: Convert 3.97×1010 J to units of kcal.

A: By using relation between J and Kcal we can solve this problem. 3.97×1010J = 9.5 × 106 Kcal

Q: A 480-pound alloy (which is just a mixture of metals ) containing 30% silver was mixed with an alloy…

A: Mass of alloy with 30% silver = 480 pound Mass of alloy with 55% silver taken = x pound % silver in…

Q: The combustion of solid glucose with oxygen gas produces carbon dioxide gas and water vapor. This…

A: The balanced chemical equation for the combustion of glucose can be written as: C6H12O6(s) + 6O2(g)…

Q: Ascorbic acid (C,H306) is also known as Vitamin C. How many molecules of C,H,0, does a Vitamin C…

A: Given,

Q: Assume that the mass of impure acetanilide is 2.229 g. And the mass of recrystallized acetanilide is…

A: Mass  of recrystallized acetanilide is = 1.225 g Mass of of impure acetanilide is  = 2.229 g…

Q: How many grams of ammonium nitrate (NH4NO3) would you need to produce 1 kg of fertilizer that is 10%…

A:

Q: How many grams of sugar would you use to prepare 8.81 × 10ʻmL of a 1.00 mass/volume % solutio Enter…

A: Weight by volume percentage is defined as the percentage of mass of solute in grams per 1 mL of…

Q: You want to prepare 10 mL of a 1/100 dilution. What should the qliquot and diluent volumes be?

A: The solution is given below -

Q: Convert the concentration of 0.700M Na,SO, to g/mL

A: Given  Molarity of Na2SO4   = 0.700 M                                    =  0.700 mole / Liter…

Q: At what stage was the internal standard added to the prepartions, in the protocol of this…

A: Step : 1             The required answer for the above question is follows as :

Q: Determine the mass of chlorine in the original sample as the difference in mass between the…

A:

Q: 125g of a certain seasoning and are told that it contains 96.0 g of salt. what is the percentage of…

A:

Q: 50.00 ml of sulfuric acid was put in a 250 mL flask.  100 mL of 2.50 mol/L potassium hydroxide was…

A: Given that,  Volume of H2SO4 in 250.0 mL flask V1 = 50.0 mL Molarity of H2SO4  solution M1 = ?…

Q: please help find the Percent yeild and limiting regent given the collected data Volume acetic…

A: Given: Volume acetic acid: 20.0 mL = 0.020 L Volume Isopentyl alcohol: 15.0 mL = 0.0150 L. Mass of…

Q: Medicare does not cover the cost of this prescription medicine, which currently averages $297.78 per…

A: Given,  Theoretical yield for the pure barium sulfate you were transferring was 500.00kg.   The…

Q: PERCENT WATER IN A HYDRATE DATA/CALCULATION SHEET NAME 1.. crucible, cover, BaCl2 2H2O _\8, a0G! g…

A:

Q: 114.9 kj into kilocalories

A: Given that,    114.9 kj into kilocalories For conversion ;     1 KJ   = 0.23906 Kilocalories

Q: Below is a data table from an experiment in which an effervescent tablet is added to a test tube of…

A: The data given is,

Q: X, Mass of sample (g) = 0.7 Y, Mass of benzoic acid (g) = 0.3 Z, Mass of pellet (g) = 0.9…

A: Mass of sample (X) = 0.7gMass of benzoic acid (Y) = 0.3 gMass of pellet (Z) = 0.9g