What's the compound name of Si+ C2H3O1/2?

Answers

Answer 1

Answer: What is the name of CuC2H3O2?
The answer is Copper (I) Acetate. (:

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Basic points in Lewis and Langmuir theory of electrovalency

Answers

The correct answer for the question that is being presented above is this one: "Electrovalency is characterized with the transferring of one or more electrons from one atom to another together with the formation of ions and as well as the number of positive and negative charges.

The Lewis and Langmuir theory of electrovalency (and as well as Kossel's) is dealing with Ionic bonds.

Lewis: electron-pair sharing, octet rule, Lewis Symbols or StructureLangmuir: introduced term "covalent" bond, and popularized Lewis's ideas

The Lewis-Langmuir electron-pair or covalent bond is referred as the homopolar bond, where the complete transfer of electrons give rise to ionic, or electrovalent bond (1) through attraction of opposite charges.

The chemical equation below shows the photosynthesis reaction. 6CO2 + 6H2O mc010-1.jpg C6H12O6 + 6O2 The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this reaction?

Answers

Answer:

12 mol of water

Explanation:

$6CO_2 + 6H_2O \longrightarrow C_6H_(12)O_6 + 6O_2$

First we must find the moles of CO2.

We know that 1 mole of co2 has a mass of 4.01 g so how many moles will there be in 528 g.

We apply a simple rule of three

$44.01 g CO_2\longrightarrow 1 mol CO_2\n 528 g CO_2\longrightarrow x\nx= 528/44.01\nx=12 molCO_2$

By stoichiometry we know that for every 6 moles of carbon dioxide 6 moles of water are needed, now if we have 12 moles of carbon dioxide how many moles of water will be needed

We apply a simple rule of three

$6 molCO_2 \longrightarrow 6 mol H_2O\n 12 mol CO_2 \longrightarrow x\nx= ((12).(6))/(6)\n x= 12 mol H_2O$

Given:
6CO2 + 6H2O -> C6H12O6 + 6O2
molar mass of carbon dioxide (CO2) is 44.01 g/mol
molar mass of water (H2O) is 18.01 g/mol
528 g of CO2

Required:
moles of water

Solution:

528 g of CO2/ (44.01 g/mol CO2) = 12 moles CO2

12 moles CO2 (6 moles H2O/ 6 moles CO2) = 12 moles H2O

12 moles H2O (18.01 g/mol H2O) = 216.12 grams H2O

The emission spectrum of hydrogen shows discrete, bright, colored lines. Which characteristic of the Bohr model is best supported by this observation?

Answers

Answer : Electrons cannot exist in locations other than in specific orbits.

Explanation :

The emission spectrum of hydrogen shows discrete, bright, colored lines. The characteristic that the Bohr model supported with observation is that electrons cannot exist in location other than in specific orbits.

According to characteristics of Bohr's atomic model;

The energy levels of electrons are discrete, this is the reason which is shown by hydrogen emission spectrum as discrete, bright, colored lines.

Also, electrons are seen to orbit around the nucleus in orbits which has a set size and energy with a defined path.

Electrons can jump from one energy level to another, which results after absorbing or emitting an electromagnetic radiation with a frequency ν.

The characteristic of the Bohr model that would best support his observation is this assumption: "The energy of the electron in an orbit is proportional to its distance from the nucleus. The further the electron is from the nucleus, the more energy it has." The discrete, bright, colored lines might represent the electrons and its distance from the nucleus. The lights are caused by the energy it has.

The velocity of an object consists of its speed and..A. Average speed
B. Distance
C. Displacement
D. Direction

Answers

Answer:

direction

Explanation:

What did other investigators find based off Stanley Miller's 1953 primordial soup experiment? A.
That water turned into various types of gases found in the earth's early atmosphere.

B.
That amino acids, fats, and nucleic acids might have formed in the waters of the past.

C.
That nitrogen gases, hydrogen gas, methane, and ammonia were formed in the waters of the past.

D.
That water turned into amino acids and fat, but nucleic acids were caused by lightning.

Answers

ok i'm not really sure I guess is b

The molecular mass of octane is 114.22 g/mol. What is the mass of 22.05 mol of octane?

Answers

In this item, we are asked to calculate for the mass of 22.05 mole of octane given that its molecular mass is equal to 114.22 g/mol. To answer this item, we simply have to multiply the number of moles with the molecular mass. That is, (114.22 g/mol)(22.05 mol) which is equal to 2518.221 grams.

In order to compute the mass of a substance, we may simply mulitply the number of moles of the substance by the molar mass of the substance, since molar mass is mass per mole. Therefore, we get: 114.22 * 22.05 = 2,518.55 grams 2,518.55 grams of octane are present.

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What is true when two reactants combine in an exothermic reaction?