What kind of glass is the following Si, O, Na, B, Al no plastic, no visible change, will shatters to high impact? 1. Pyrex Glass 2. Laminated soda-lime glass, 3. Ordinary Soda-Lime Glass, 4. Heat-tempered soda-lime glass?

Answers

Answer 1

Answer: The kind of glass that is Si, O, Na, B, Al no plastic, no visible change, that will shatter to high impact is 1. Pyrex glass.

Answer 2

Answer:

Answer:

Explanation:

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0.25 mole of O2 will contain the same number of molecules as 0.25 mole of NH3.true or false ??

What is a significant advantage to the cell in having pyruvate dehydrogenase consist of a large

Answers

Answer: Pyruvate dehydrogenase consists of three enzymes: -Pyruvate dehydrogenase, Dihydrolipoyl transacetylase, and Dihydrolipoyl dehydrogenase. The short distance between these enzymes allows channeling of substrates which minimizes the side reactions.

Glycolysis or glycolysis (from glycos, sugar, lysis, breakdown) is the metabolic pathway responsible for oxidizing glucose to obtain energy for the cell. It consists of 10 consecutive enzymatic reactions that convert glucose into two molecules of pyruvate, which is able to follow other metabolic pathways and thus continue to deliver energy to the body

How many phosphorus atoms are there in 1.75 mol of calcium phosphate,
Ca3(PO4)2

Answers

There will be two atoms of phosphorus in the 1.75 mol of calcium phosphate.

What are atoms?

Atoms are the smallest unit of matter. In a chemical reaction, the number of atoms shows the quantity of an element in the compound or reaction. Phosphorus is a chemical element that is preset in the periodic table.

In calcium phosphate, Ca3(PO4)2, the number of atoms can be calculated by counting the number of moles that is given in the equation.

The number of atoms of calcium is 3, and the number of phosphorus atoms is 2.

Now given the 1.75 mol of calcium phosphate, so the number of atoms of phosphorus will be the same in any number of moles of calcium phosphate. So there will be 2 atoms of phosphorus in the given equation.

Thus, the number of atoms is two.

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Answer:

It has 2 phosphorus atoms in 1 mol

so for 1.75 mol =2×1.75

Explanation:

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Which gas occupies the highest volume at STP?0.02 mol of O20.1 mol of Cl21 mol of N22 mol of H2

Answers

The correct answer is the fourth option. The gas, 2 mol of H2, occupies the highest volume at STP since at STP the volume of this gas is approximately 44.8 mol as compared to other options this has the greatest amount. At STP, 1 mol of a gas is said to be equal to a volume of 22.4 L.

For which of the following equilibria does Keq= [O2]?a. O2(l)<=>O2(g)
b. 2O3(g)<=>3O2(g)
c. 2H2O(l)<=>2H2(g)+ O2(g)
d. 2Hg(s)+ O2(g)<=>2HgO(s)
e. C(s)+ O2(g)<=>CO2(g)

Answers

its A if youre doing plato

The minimum energy required to start a reaction is: enthalpy (E1) enthalpy (E2) activation energy (A.E.) heat of reaction

Answers

The answer is activation energy. This is the minimum amount of energy needed to start a reaction. This is introduced by Svante Arrhenius. Also, it is the maximum amount of energy required. Activation energy can also be thought of the energy barrier.

The minimum energy required to start a reaction is called activation energy (A.E.).

(Option C)

What is activation energy?

Activation energy is the energy barrier that reactant molecules must overcome to transform into products during a chemical reaction.

It is the energy difference between the energy levels of the reactants and the transition state on the reaction's potential energy diagram.

Enthalpy (E1 and E2) and heat of reaction are related to the energy changes during the course of a reaction but are not directly related to the energy barrier required to initiate the reaction.

Enthalpy (H) refers to the total heat content of a system, while heat of reaction (ΔH) represents the energy difference between the products and reactants at constant pressure.

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What is the mass in grams of 1.73 moles CaH2

Answers

The mass of 1.73 moles CaH2 is 72.82 grams. The molar mass of CaH2 is 42.08 g/mol. This means that there are 42.09 grams in 1 mol. So, x grams will be in 1.73 mol of CaH2. Let's make a proportion: 42.09 g : 1 mol = x : 1.73 mol. x = 42.09 g * 1.73 mol : 1 mol. x = 72.82 g.

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