chemistry

how many joules of nutritional energy are in a bag of chips whose label reads 245 Cal? if 1 lb of fat is stored by the body for each 14.6X10(3) KJ of excess nutritional emergency consumed.how many bags of chips contain enough nutritional energy to result in 1lb of body fat?

  1. 👍
  2. 👎
  3. 👁
  1. 245 Cal = 245 kcal = 245,000 calories
    1 calorie = 4.184 J; therefore,
    245,000 cal x (4.184 J/cal) = ? J.
    ?J x (1 kJ/1000) x (1 lb/14.6E3) = ?

    1. 👍
    2. 👎
  2. 0.0699 rounded to 3 sig figs.

    1. 👍
    2. 👎
  3. 245Cal x 4182J=1.03x10(6)J
    (14.6x10(3)kJ x 1000J)/1.03x10(6)J=14.2
    Rounded to 3 sig figs

    1. 👍
    2. 👎
  4. all of these wrong.

    1. 👍
    2. 👎
  5. Sandra was correct the answer is 14.2 bags.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    There are 5 blue chips, 4 red chips and 3 yellow chips in a bag. One chip is drawn from the bag. That chip is placed back into the bag, and a second chip is drawn. What is the probability that the two selected chips are of

  2. Math Probabilities

    A bag contains 9 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color? That would be the probability of two reds PLUS the

  3. algebra

    a bag contains 4 red chips, 2 blue chips and 5 green chips. A chip is randomly removed from the bag, and then without replacing the first chip, a second chip is removed. What is the probability that both of the chips selected from

  4. math

    One bag contains 6 red chips and 5 yellow chips. Another bag contains 6 red chips and 4 yellow chips. A chip is drawn from each bag. What is the probability that both chips are yellow?

  1. Statistics

    The weight of a bag of corn chips is normally distributed with a mean of 22 ounces and a standard deviation of 0.5 ounces. -The probability that a bag of corn chips weighs more than 21 ounces is? -The probability that a bag of

  2. physics

    15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. What is the change in the gravitational potential energy of the object? o A. It

  3. physics

    An object has a gravitational potential energy of 24 joules when it rests on a shelf 3 m above the ground. What would be its gravitational potential energy when it is lowered to a shelf 1 m above the ground? o A. 8 joules o B. 12

  4. Physics

    Hello can someone please help me with this physics question and show the work so I can understand? A box at the top of a rough incline possesses 981 joules more gravitational potential energy than it does at the bottom. As the box

  1. chemistry

    A bag of potato chips contains 585 mL of air at 25°C and a pressure of 765 mm Hg. Assuming the bag does not break, what will be its volume at the top of a mountain where the pressure is 434 mm Hg and the temperature is 4.3°C?

  2. Math

    In the figure, what is the area of triangle $ABD$? Express your answer as a common fraction. [asy] draw((3,0)--(0,0)--(0,4)--(7,0)--(3,0)--(0,4)); draw((0,2)--(7,0)); draw((.5,0)--(.5,.5)--(0,.5)); label("$A$",(0,4),W);

  3. Science

    A 54-kg jogger is running at a rate of 3m/s. What is the kinetic energy of the jogger. A. 18 Joules B. 81 Joules C. 162 Joules D. 243 Joules

  4. PROBABILITY MATH

    A bag contains 10 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color? Round your answer to 3 decimal places.. Help me find

You can view more similar questions or ask a new question.