Chemical principles for why we store food to keep from spoiling

Answers

Answer 1

Answer: There are several factors that can brought food to damage and alterations in the taste and appearance can be done in different ways brought by chemical principles in processing methods including canning, dehydration (drying), smoking and freezing; the use of packaging; and the use of food additives such as antioxidants or other preservatives.

Related Questions

Which example illustrates Newton's second law?A. A wheelbarrow remains stationary when no one pushes on it.B. More mass is added to a wheelbarrow, and a larger force isrequired to move it.C. A person pushes a wheelbarrow, causing it to move forward.D. The force of a wheelbarrow on the ground is equal to the force ofthe ground on the wheelbarrow.
A pendulum is used in a large clock. The pendulum has a mass of 2kg. If the pendulum is moving at a speed of 4.1m/s when it reaches the lowest point on its path, what is the maximum length of the pendulum?
What is the resultant of a and B if a= -2i - 5j and B = I - 4j
At a objects highest point is the acceleration zero too?
4. A 1500 kg car is rolling at 2.0 m/s. You would like to stop the car by firing a 10 kg blob ofsticky clay at it. How fast should you fire the clay?

The molecular formula for phosphorous pentoxide is p4o10. What is its empirical formula?

Answers

Answer: P2O5

Explanation:

Final answer:

The empirical formula for phosphorous pentoxide is P2O5.

Explanation:

The empirical formula for phosphorous pentoxide is P2O5.

To find the empirical formula, we need to determine the ratio of atoms in the compound.

Since the molecular formula of phosphorous pentoxide is P4O10, we divide the subscripts by their greatest common divisor (gcd) to get P2O5 as the empirical formula.

Learn more about empirical formula here:

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Which statement is true about the scientific method?A.
It follows one prescribed sequence of steps.
B.
It begins and ends with an experiment.
C.
It is used only in Earth and space science.
D.
It can be cyclic.

I need an answer now please....

Answers

Answer:

D. It can be Cyclic

Explanation:

Science has all different kinds of alike processes.

The scientific method is a generally and usually a Cyclical Process.

A object of mass 33 is dropped from a height of 85 meters. Calculate the average power developed by the object in falling through this distance.Take g as 9.81 m/s^2

give the answer in watts to three significant figures

Answers

Power = Work done / Time taken.

Work done = mgh
Mass, m = 33kg ( Am presuming it is 33 kg).
h = 85 m.
Work done = 33 * 9.81* 85 = 27517.05 J.

Time taken.
Since object was dropped from height, it fell under gravity.
Using H = ut + (1/2) * gt^2. u = 0.
   H = 1/2 gt^2.
   t =   (2H/g) ^ (1/2)
   t = (2*85/9.81) ^ 0.5 = 4.1628 s.

Power = 27517.05 / 4.1628 = 6610.23 Watts.
   = 6610 W to 3 S. f.

2. A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. Of r = 21.5 m, how fast is the roller coaster traveling at the bottom of the dip?

Answers

Answer: $v=√(4gr)$

Explanation:

Given

Passenger feels the seat of the car Pushing upward with a force equal to five times her weight

Therefore

$N-mg=(mv^2)/(r)$

it is given $N=5mg$

where N=normal reaction

$5mg-mg=(mv^2)/(r)$

thus $v=√(4gr)$

What type of energy is released when fossil fuels are burned?

Answers

Before the fuel is burned, it's chock full of chemical energy. When the fuel is burned, the chemical energy is released, and it escapes in the form of heat and light energy.

Answer:

¨chemical energy¨ is released.

An oxygen atom picks up two additional, free floating electrons. Is the charge of the newly formed oxygen ion positive, negative or neutral?

Answers

Answer:The newly formed oxygen ion is negatively charged.

Explanation:

Cation : These are species of ions which carries positive charge that is number of protons are greater than the number of electrons.

Anion:These are species of ions which carries negative charge that is number of electrons are greater than the number of protons.

$O+2e^-\rightarrow O^(2-)$

When an oxygen atom gains two electrons it develops the charge of negative charge and forms anion.

i believe it would be negative as electrons carry negative energy

hope this helps :)

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The equation NaCl →Na +Cl is a ______ reaction. A. decomposition B. single displacement C. synthesis