The following chemical reaction is an/a    _______ reaction? 2C2H5OH(l) + 7O2(g) → 4CO2(g)+ 6H2O(g)+ 654 kcal Exothermic or endothermic?

Q: [OH-] = 4.2 x 10-2 Express the concentration to two significant figures and include the appropriate…

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Q: How many kcal are in 21.5 kJ?

A: Hello. Since multiple questions have been posted, the first question shall only be answered in this…

Q: how many waffles can be made from 2 dozen eggs, assuming you have enough of all other ingredients.…

A: 1 dozen = 12 Hence, there are 24 eggs (2 dozen).

Q: Convert the glucose concentration of a drink containing 1.750mM of glucose from mM (millimolar) to…

A: The required volume of 1.750mM of glucose solution to prepare 100 mL with a 1/100 dilution factor is…

Q: The contents of two boxes of magnesium oxide were combined if they contained 2kg,4dg,50g and 6kg 8hg…

A: 1)Box one contain  2 Kg, 4dg, 50 g magnesium oxide  2) Box two contain  6Kg, 8hg, 90g magnesium…

Q: Convert kcal to mcal

A: 1 kcal = 10^3 cal 1 mcal = 10^(-3) cal

Q: Convert 1.42E4 J to kcal.

A: Conversations: 1 joule = 0.000239 kcal 1 kilojoule =0.000239 cal

Q: Classify the different properties of petroleum products and explain the significance of measuring…

A: Physical properties of petrolium products Density Vapour pressure Surface tension  Flash point…

Q: . A 100 mg vitamin C tablet weighted 0.645 g. A student crushed the tablet and transferred 0.119 g…

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Q: One hour of bicycle riding can require 500-900 kcal of energy, depending on the speed, the terrain,…

A: Given : rate of energy consumed = 505 Kcal/hr Mass of fat to lose = 21.0 lbs Energy of 1 g of fat =…

Q: A chemist prepares a solution of silver nitrate  AgNO3  by measuring out  0.666kg  of silver…

A: Given values - Weight of AgNO3=0.666kg 1kg = 1000gm  0.666kg = 0.666×1000gm                = 666gm…

Q: Below is the nutritional label for a typical commercial apple juice. Assuming a daily allowance of…

A: a) It is written that the container has 120% vitamin C of the daily requirement.  And, the container…

Q: is the ∆ T for 40.0 grams of

A: Q and ∆T relation is  Q = m S ∆T  Where  Q = amount of heat absorbed = 1400 cal  m = mass of water…

Q: 3295 kcal 13786.28 kJ 0.135 5.31 x 10 J kcal Incorrect

A: Given :-  3295 kcal  5.31 × 106 J  To convert :- 3295 kcal to kJ 5.31 × 106 J to kcal

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: After burning a piece of food, a student collected 12.7 mL of water and the mass of the burned food…

A: The amount of the heat needed is described as the product between the enthalpy of the vaporization…

Q: An ore of silver contains 86.7 grams of silver, Ag per ton of ore. What is the concentration of…

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Q: Ethyl acetate has a characteristic fruity odor and is used as a solvent in paint, lacquers and…

A: mass of ethyl acetate required for experiment = 6.5 x 10-2 kg = 0.065 killogram , convert this mass…

Q: If a 185-lb patient is prescribed 145 mg of the cholesterol owering drug Tricor daily, what dosage…

A: We will calculate the dosage that patient received in mg/ kg body weight.

Q: Convert 38 kcal to cal

A: 1 kilocalories(kcal)  is equal to 1000 calories(Cal)

Q: A food label has the following values: Total kcal=360 Total fat= 20 g. Total carbohydrate 25 g.…

A: Given, Total kcal = 360 Total fat = 20 g. Total carbohydrate = 25 g

Q: A chemist adds 165.0mL of a 0.224M potassium dichromate K2Cr2O7 solution to a reaction flask.…

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Q: Question attached

A: The given data contains, Drop rate of fluid =20 gtt/ml Volume =2 L =2000 ml Time =18 hours =18X60…

Q: 2.96×104 J  to Cal Express the value in Calories to three significant figures.

A: We know that, 1 Cal = 4.184 J  1 J = 1/4.184 Cal

Q: Running at a rate of 6 mi/h uses 668 Calories in an hour. Convert this value to  (a) cal/h  and…

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Q: 2860 kcal to kj

A: Following is the appropriate answer of the given questions.

Q: A normal fasting blood sugar level is 0.0039 – 0.0055 mol / L. For a 3.0 x 10“ mL sample of blood,…

A: Molarity is a measure of concentration. It expresses the concentration as no. of moles in 1 L of the…

Q: Endothermic or Exothermic? 2 NO2(g)   → N2O4(g) + 19 kcal How do you know?

A: An exothermic reaction is defined as a reaction that releases heat and has a net negative standard…

Q: A chemist adds 1.90L of a 0.106 M potassium dichromate K2Cr2O7 solution to a reaction flask.…

A: We have to predict the millimoles of chemical added.

Q: If a patient requires 2896kcal per day 50% carbohydrate, 40% protein and 10% fats, how many grams of…

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Q: Name: 1. Convert 0.85 x 10-12 km to nm. 2. Convert 190.0 m to km. 3. Convert -858 kcal to mcal.

A: 1 km = 1012 nm  1 m = 10-3 km  1 kcal = 106 mcal  Note: According to Q&A guidelines of Bartleby,…

Q: place coefficients in the middle of a chemical formula. 1. Na + MgF2 > NaF + Mg 2. Mg + HCI → MgCl2…

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

Q: A young patient drinks whole milk as part of her diet. Calculate the total kilocalories if the glass…

A: Given: In a glass of whole milk, 12 g of carbohydrate, 9 g of fat and 9 g of protein are present.

Q: How many joules are in 55.2 calories? O 231 O none of the above O 13.2 O 13,200 O 55,200

A: Since,1 calory =4.184 J

Q: Calcium carbonate =135mg Magnesiumcarbonate=100mg Sodium chloride=50mg 10% starch paste qs Magnesium…

A: Enlarge the formulation to make 5 tablets.

Q: Mrs A is currently taking Mucogel® suspension at a dose of 10 mL after her three meals and at…

A: The dosage of Mucogel = 10 mL Mucogel contains 195 mg per 5 mL. Each dose of mucogel suspension is…

Q: A chemist adds 280.0 mL of a 1.32M iron(III) bromide (FeBr,) solution to a reaction flask. Calculate…

A: Volume of FeBr3 added to the flask = 280 mL = 0.28 LMolarity of this FeBr3 = 1.32 M = 1.32 mol/L…

Q: A chemist adds 415.0 mL of a 1.78M potassium iodide (KI) solution to a reaction flask. Calculate the…

A: The question deals with the concept of solution preparation. we have to calculate the number of…

Q: Convert 76 kcal to kJ

A: Energy is measured in joule or calorie. 1 Kg = 1000 gram 1 kJ = 1000 joule 1 KCal = 1000 cal

Q: A patient's blood test shows that her hemoglobin concentration is 17.4 g/dL. How many milligrams of…

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Q: C. Volumetrie Pipet 1o ML 1. Volume of saline added each addition 31.343 42-025 52. 715 63,365 2.…

A: From part C  Mass of beaker after second addition of saline = M2 = 52.715 g Mass of beaker after…

Q: A patient gets 2 L of dextrose 4% in 0.18% sodium chloride over 18 hours through an IV. Calculate…

A: Given: Drop rate of fluid = 20 gtt/mL Volume of fluid = 2 L = 2000 mL Time = 18 hours = 18×60 min =…

Q: Balance the following:                                 10 +10β + 1844X à ___ 24α + 3 -10β + 2124 Y…

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Q: The nutrition facts label for one slice of wheat bread gives the percent daily value of various…

A: Given, A slice of bread , has calories = 76

Q: It has been found that fat makes up 14%  of a 170 -lb person’s body weight. One pound of body fat…

A: Given : Mass percent of fat in body = 14 % Mass of body of person = 170 lbs. Total energy required…

Q: The following information is given in a science supply catalog: 60,00 rubber stoppers = 500.00 grams…

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Q: 1.345 kcal = ____ J

A: Given :- energy = 1.345 kcal  To calculate :- energy in J

Q: the recommended daily amount of sodium is 2600 mg. One can of chicken noodle soup contains 1040 mg…

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Q: Calculate the volume of 25.0g of the following liquids: Acetone (d=0.792g/mL) Chloroform…

A: Density (d) :-  Density is defined as the ratio of mass of a substance to its volume density (d) =…

Q: Fatty acids are stored in the body as triglicerides in adipose tissues. Consider the oxidation…

A: Solution - According to the question Fatty acid - Fatty acids are the building blocks of the fat in…