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den301095 [7]
3 years ago
11

What happens to your blood glucose level if you do not eat lunch? is a testable question?

Chemistry
2 answers:
MaRussiya [10]3 years ago
8 0

Answer:

Causes the glucose level to drop

Tcecarenko [31]3 years ago
3 0
It is not a good test question
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How many liters of milk are in 334 gal enter your answer In scientific notation
baherus [9]
To answer this question, you need to convert the gallon unit into liter. For every gallon of milk, there would be 3.78541 liters of milk. Then, the calculation would be: 334 gallon x 3.78541liter/gallon= 1264.32 liters.

If you make it into scientific notation then it would be 1.26 x 10^3
3 0
3 years ago
A 0.539 g sample of a metal, M, reacts completely with sulfuric acid according to the reaction M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A v
Charra [1.4K]

Answer:

The molar mass of the metal is 54.9 g/mol.

Explanation:

When we work with gases collected over water, the total pressure (atmospheric pressure) is equal to the sum of the vapor pressure of water and the pressure of the gas.

Patm = Pwater + PH₂

PH₂ = Patm - Pwater = 1.0079 bar - 0.03167 bar = 0.9762 bar

The pressure of H₂ is:

0.9762bar.\frac{1atm}{1.013bar} =0.9637atm

The absolute temperature is:

K = °C + 273 = 25°C + 273 = 298 K

We can calculate the moles of H₂ using the ideal gas equation.

P.V=n.R.T\\n=\frac{P.V}{R.T} =\frac{0.9637atm \times 0.249L }{(0.08206atm.L/mol.K)\times298K} =9.81 \times 10^{-3} mol

Let's consider the following balanced equation.

M(s) + H₂SO₄(aq) ⟶ MSO₄(aq) + H₂(g)

The molar ratio of M:H₂ is 1:1. So, 9.81  × 10⁻³ moles of M reacted. The molar mass of the metal is:

\frac{0.539g}{9.81 \times 10^{-3} mol} =54.9g/mol

4 0
4 years ago
What changes occur in the nuclei of atoms involved in the reactions that fuel nuclear power plants?
Marina CMI [18]
Nuclear fusion and nuclear fission are two different types of energy-releasing reactions that occur in the nuclei of an atom.
Here are the major differences between the two:

1. To differentiate the two, fission is the splitting of an atom into two or more smaller atoms while fusion is the conjoining or fusion of two or smaller atoms into larger one.

2.  Fission does not normally occur in nature while fusion occurs mostly in heavenly bodies such as the stars.

3.Fission produces highly radioactive particles that can be hazardous to both the living things and its habitat or environment while fusion is "clean energy" and "environmental friendly" meaning there are fewer radioactive particles are produced. But if a fission "trigger" is being used, there will  be radioactive particles produced.

Among the two nuclear changes, fission is widely used because this reaction produces heat in nuclear reactor. This heat is used to generate steam which operates the turbines to eventually produce electricity.
8 0
3 years ago
Energy of motion is referred to as CA. thermal energy B. electrical energy C. potential energy D. kinetic energy​
Natali [406]
It’s, D. Kinetic Energy.

Explanation: Energy associated with an object’s motion is called kinetic energy. A speeding bullet, a walking person, and electromagnetic radiation like light all have kinetic energy.

Hope this helped ;)
8 0
3 years ago
Which of the following changes depending on the strength of the gravity field it is in?
jek_recluse [69]
I believe it’s C.) Mass. Hope I’m right.
5 0
3 years ago
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