Unscramble the letters RIVAENG, it's the name of a liquid.

Answers

Answer 1

Answer: the liquid is vinegar.

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Muscle tissue is made up of cells that contract and release to produce movement. Which process provides the energy that the cells need to contract?A.respiration
B.meiosis
C.photosynthesis
D.mitosis

Answers

Answer:

The correct answer is A.respiration

Explanation:

Cellular respiration is a process which produces ATP (adenosine triphosphate) and methabolites. ATP is an "energy coin" which provides energy for biochemical processes in all cells. The other options are not correct: meiosis is the division process of sexual cells, mitosis is the division process of somatic cells and photosynthesis ocurrs in plant cells to obtain energy (not in animal cells of muscle tissue).

I think you mean miosis because mitosis is cell reproduction, photosynthesis is to do with light, respiration is breathing and meiosis is division of cells

4Fe + 3O2 → 2Fe2O3Iron combines with oxygen to form rust. Given the chemical reaction, how many grams of 4Fe + 3O2 would produce 10 g of rust?
A) 7 g
B) 10 g
C) 30 g
D) 70 g

Answers

Answer:

b) 10 g

Explanation:

Hi, the answer in simply: during a chemical reaction (that doesn't involve nuclear processes) the total mass involved is constant.

The total mass of the reactants equals the total mass of the products, althought the number of molecules may vary.

n(2Fe2O3)=10g/319.374amu=0.03mol

n(4Fe+3O2)=0.03 mol

m(4Fe+2O2)=Mn=319.374×0.03=9.58=10

How does Silicon shape our technological reality

Answers

Silicon shapes our technological reality because computer chips are made out of silicon. Different computer parts, are made out of silicon chips, tablets, phones, different electronic devices, everything has some silicon in them. Without silicon we would (currently) not have any of those. That is how silicon shapes our technological reality :)

The silicon uses in :

1- Micro-chips.

2- Motherboards

3- components on nano-technologies

4- tablet

5- Phones

The explanation:

- When the silicon incorporated into electronics, They are termed as silicon wafers. It is used as a semiconductor.

- And when it combined with the other conductors this process called doping and become ideal to make transistors and be able to amplify electric signals.

That's how Silicon shape our technological reality.

What types of atoms release nuclear radiation

Answers

Isotopes of elements where the nucleas is unstable generally release nuclear radiation. So unstable atoms

1) What is the mass of 5.24 moles of Fe504-7H2O?

Answers

Answer:

Ok; first of all, you must correct the Molecular Formula; FeSO4•7H20

So, work out the Molar Mass;,

(4x18)O+ 55.? Iron + 32 Sulphur, PLUS

(7x 18) H2O = 1 molar mass.

Now, take that times 5.24, show your work & check the Mol. Weights, I am going by memory.

Oxygen

Explanation:

A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. What is the centripetal acceleration of the car?

Answers

Answer;

= 48,828.125 mi/hr²

Explanation and solution;

Centripetal acceleration is the rate of change of angular velocity. Centripetal acceleration occurs towards the center of the circular path along the radius of the circular path.

Centripetal acceleration is given by; V²/r ;

V = 125 mi/h and r = 0.320 miles

Thus; centripetal acceleration = 125²/0.320

=15625/0.320

= 48,828.125 mi/hr²

The centripetal acceleration is obtained from the quotient of the square of velocity and the radius. Hence, a= $( v^(2) )/(r)$ . Substituting the give, v=125 mi/h and r=0.320 mi, the answer is equal to 48,828.125 mi/ $hr^(2)$ .

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How could you separate items that are different densities? Explain.

You want to prepare a solution with a concentration of 200.0μM from a stock solution with a concentration of 500.0mM. At your disposal, you have 5-mL and 10-mL transfer pipets and volumetric flasks of sizes 100, 250, 500, and 1000mL. Which of the following serial dilutions will give you the 200.0μM solution?

How can you cause a physical change?

Most covalent compounds are very ______ electrolytes in solutions. A. Strong B. Weak C. Acidic D. Flammable