Discuss the self-heating meals in the Chemistry in Action in your textbook and make other connections to real-world applications such as hot packs and cold packs.

Q: A chef in Denver (the mile high city) and a chef in Tampa (sea level city) make the same recipe but…

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Q: Directions: Write down the ingredients AND steps on how to make your favorite recipe. Draw AND color…

A: A question based on commercial use of chemicals, which is to be accomplished.

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: 21.0 calories is equal to how many joules?

A:

Q: A package of beef jerky says that there are 2 serving sizes (1 serving size =28g) in the package.…

A: Interpretation: A package of beef jerky says that there are 2 serving sizes (1 serving size =28g) in…

Q: Albert Szent-Gyorgi, a pioneer in early photosynthesis research, stated, “What drives life is a…

A: Given:-             What drives life is a little electric current, kept up by the sunshine

Q: What ingredients is not needed for a fire?

A: The ceaseless and powerful oxidation or combustion of substance results in the production of heat…

Q: 8. Based on the observations above, does a chemical reaction take place When you MIx thnese…

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Q: which ones are hete rogeneas mixture orange juice, soil, wine, air, vegetable soup, or all of them?

A: Heterogeneous mixture  The mixture which have non composition throughout the mixture is called as…

Q: One rider rides the bicycle for 50 km. He hears unwanted sound from chain drive and brakes. He…

A: Oil: It is a viscous and nonpolar liquid that has the molecular formula C8H18. Oil has floating…

Q: Food safety guidelines recommend that a beef rib roast (bone-in) should cook for 23.0 minutes per…

A: According to the question, it is given that time is taken to cook 1 Pound roast = 23.0 minutes Thus,…

Q: Which set-up took less time to cook hard-boiled eggs?why?

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Q: What might lives look like living without petroleum?

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Q: Discuss the relationship between food and energy

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Q: Why is coal considered stored or potential energy?

A: Welcome to bartleby !

Q: Jollibee Burger     Item                             Sodium(mg)                Fat(g)…

A: For the proper development of the human body and the physiological systems associated with it,…

Q: Do you think that you could eat a half mole of donuts in a year? Defend your answer mathematically.

A: In a year, there are 365 days. 1 mole = Avogadro number

Q: Materials needed: • 10 marbles, 10 paper clips, 10 buttons • 2 small plastic jars • Sugar • Saw dust…

A: A mixture consists of two or more substances that retain their separate identities when mixed…

Q: Section 1: Nuclear Energy What types of reactions occur in a nuclear power plant? Is the process…

A: A nuclear reaction involves fission or fusion reaction. If two light nuclei combines to form a…

Q: A “chemical-free” sunscreen includes the following ingredients:titanium dioxide, vitamin E, and…

A: The sunscreens contains the elements which helps the skin and filter out the harmful UV rays. There…

Q: Dehydration of body tissues is a chemical change  True  False

A: Dehydration of body tissues is a chemical change or not --answer is given below.

Q: Use the ethical theories discussed in this chapter to analyze the Bhopal case. Topics to be…

A: The safety, welfare,health etc are most important matter to concern. Bhopal gas tragedy is world's…

Q: All experiments that produce noxious and toxic fumes and gases must be performed under the sink. A…

A: Noxious and toxic fumes and gases produced by all experiments must be performed in well ventilated…

Q: Arrange Quick Styles ext Box Sensit 1. Making a cheese sandwich can be represented by the chemical…

A: In Q.2 Limiting reagent concept is used, limiting reagent is a reagent whose quantity is in limited…

Q: Answer the following questions.  1. What are the benefits of green chemistry? 2. How can…

A: 1. If one follows green chemistry guidelines, then environmental benefits are:− there is check on…

Q: To have the safest heating method, as a high school learner, the best choice is:  a. use alcohol…

A: The most safest method for heating has to be given.

Q: True or False: In the future, locally-grown maple syrup will likely become more available in the…

A: This is the important fact in climate .

Q: non-stick cooking utensils- are they safe for us

A: Tools and containers used for household chores mainly in the kitchen are known as utensils.…

Q: How does adding a little amount and a greater amount of sugar affect the time it would took for the…

A: How does adding a little amount and a greater amount of sugar affect the time it would took for the…

Q: Discuss the use of chemical preservatives in food.

A: The substances which are added in to foods, beverages, biological samples, drugs and many other…

Q: The ultimate and most abundant natural source of energy is the

A: At 93 million miles from Earth, our sun is a middling star that provides nearly all the energy on…

Q: A claim put forth by some purveyors of health foods is that vitamins obtained from natural sources…

A: Vitamins are an essential requirement for the normal functioning of the body. It is important for…

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: Part 1: what is the total calories that the man would gain if he only ate 225 grams from his steak?…

A: Given, mass of steak = 16 oz

Q: oil+water+soap what happening?

A: Given: A solution containing oil, water, and soap.

Q: Use the interactive to determine the number of meat and cheese sandwiches that can be made with 6…

A:

Q: Where would the bicyclist have the highest potential energy? Where would the bicyclist have the…

A: ANSWERS:- 1) Highest potential energy will be found at highest point only. Here F is the highest…

Q: A chef wants to refrigerate beef that has been partially cooked through a non-continuous cooking…

A: Here we have to asked that a chef wants to refrigerate beef that has been partially cooked through a…

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

A: Given : Amount of energy required = 650.0 Kcal/hr 1 Kcal = 4.184 KJ Time of cycling = 175 mins  And…

Q: how are you going to reduce wastes which are detrimental to our environment?

A: Some wastes are very harmful for our environment.  They degrade our environment and has bad impact…

Q: What are other examples of combustion in the human body?

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Q: A student, trying to standardize NBS solution using a standard Vitamin C solution (220 mg/L),…

A: Please find the below attachment.

Q: Outline the concerns about the use of biofuels.

A: Biofuels are the gaseous, liquid or solid fuels that contain an energy content derived from a…

Q: 11. Are there limitations in how the simulation represents making sandwiches? Explain what those…

A: Limiting Reactants are those reactants that are consumed when a reaction goes into completion. It…

Q: What advantages do collaborative and interactive learning environments provide for students? What…

A: A question based on education that is to be accomplished.

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: One hour of bicycle racing can require 500-900 kcal of energy, depending on the speed of the race,…

A: Given that -  One gram of protein or carbohydrate produces = 17.0 kJ  Time = 195 minutes = 195/60 =…

Q: How should broken glass be disposed? O in the trash O in the disposal box O in the sink O in the lab…

A: Broken glass containing toxic substances is hazardous to human life. Therefore disposal of broken…