The Formula StartFraction Actual Yield Over Theoretical Yield EndFraction. Is Used To Calculate The ____ (2024)

Answer:

NaNO3

Explanation:

sodium= Na

Nitrogen= N

and there's 3 oxygens = O3

A. Theoretical yield
B. Actual yield
C. Percent yield

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The Theoretical yield is the highest amount of product that could be formed from the allocated amounts of reactants.

What is Theoretical yield?

The Theoretical yield is the greatest amount of product that could be formed from the given quantities of reactants.

The Actual yield is the quantity of product that is formed when the response is carried out in the laboratory.

The Percent yield is the ratio of the authentic yield to the theoretical yield, described as a percentage.

Percentage Yield Formula: When the product that we are obtained after a chemical reaction is known as the yield. We can estimate this accepted yield in moles or grams.

It is the ‘authentic yield’ that we acquire after the completion of a chemical reaction. Separated from this, established on our estimation, we calculate the anticipated yield of a reaction comprehended as the ‘theoretical yield.’

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Answer:

A

Explanation:

Answer:

MgF₂

Explanation:

Fluorine only has a 1- charge, so to satisfy the 2+ charge on magnesium–– you need 2 fluorine atoms to balance out the charges.

Answer:

hahahh noob

Explanation:

Answer:

Rb

Alkali Metals are Group 1 so

Rb it isnt Hydrogen because it is a gas

Explanation:

Answer:

I think its C

Explanation:

because it travels from the sun to earth

Answer:

Explanation:

Sn(WC)2

if it is tungsten carbide this should be correct but there are many versions of carbide

Sn(MC2)2

could also be possible

the 2 next to MC should be a subscript

Answer:

d

Explanation:

Answer:

I think 7, 4, 6, or 8

I think that one of those is correct

Explanation:

Answer:

1.28 mol Cu(OH)₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic TableUsing Dimensional Analysis

Explanation:

Step 1: Define

125 g Cu(OH)₂

Step 2: Identify Conversions

Molar Mass of Cu - 63.55 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of H - 1.01 g/mol

Molar Mass of Cu(OH)₂ - 63.55 + 2(16.00) + 2(1.01) = 97.57 g/mol

Step 3: Convert

[tex]125 \ g \ Cu(OH)_2(\frac{1 \ mol \ Cu(OH)_2}{97.57 \ g \ Cu(OH)_2} )[/tex] = 1.28113 mol Cu(OH)₂

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

1.28113 mol Cu(OH)₂ ≈ 1.28 mol Cu(OH)₂

As the names suggest, a physical change affects a substance's physical properties, and a chemical change affects its chemical properties. Many physical changes are reversible (such as heating and cooling), whereas chemical changes are often irreversible or only reversible with an additional chemical change.

(hope this helps ^^)

RTP stands for Room Temperature and Pressure.

One mole of any gas has a volume of 24 dm3or 24,000 cm3atrtp(room temperature and pressure). This volume is called the molar volume of a gas. This equation shows how the volume of gas in dm3atrtpis related to the number of moles: volume of gas atrtp= number of moles × 24.

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use Q=mc0

Q= energy
m= mass of solution
0= final temperature- initial temperature

1000 J= (0.05kg)(4.2)(50-initial)

Specific heat capacity of a substance is the amount of heat required to raise the temperature by one degree celsius of one gram of a substance. Therefore, the initial temperature of water is 27.0°C.

What is Enthalpy?

Enthalpy term is basically used in thermodynamics to show the overall energy that a matter have. Mathematically, Enthalpy is directly proportional to specific heat capacity of a substances.

Mathematically,

Enthalpy=mass of solution× specific heat capacity of solution ×Change in temperature.

Enthalpy=1000 J

mass of water=0.05kg

Change in temperature=50-initial

specific heat capacity of solution=4.2

Substituting all the given values we get

1000 J= (0.05kg)(4.2)(50-initial)

initial temperature= 27.0°C

Therefore, the initial temperature of water is 27.0°C.

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Answer:

The number of drops depends upon the size of the drops. So, basically, 1 ml has a drops of 20

so 2000 mo will have a 40k drops

Answer:

Metals i guess

Explanation:

Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce. For example, copper produces a blue flame, lithium and strontium a red flame, calcium an orange flame, sodium a yellow flame, and barium a green flame.

Answer:

It also contains other gases, including carbon dioxide and helium, and various pollutants (both gases and solids).

Answer:

744.9 mmHg ≅ 745 mmHg

Explanation:

The base to solve this, is the Ideal Gases Law. The mentioned formula is:

P . V = n . R . T

To compare two situations, we can propose:

For the first situation P₁ . V₁ = n₁. R . T₁

For the second situation P₂ . V₂ = n₂ . R . T₂

As the sample has the same moles and R is a constant value, we can avoid them so: (P₁ . V₁) / T₁ = (P₂ . V₂) / T₂

We need to make Tº unit conversion:

25ºC + 273 = 298K

We replace data → (370 mL . 1020 mmHg) / 298K = (P . 510 mL) / 300 K

(377400 mL.mmHg / 298K) . 300 K = P . 510 mL

379932.8 mL . mmHg = P . 510 mL

(379932.8 mL . mmHg) / 510 mL = P → 744.9 mmHg

Answer:

A conductor allows electricity or heat to flow through it easily and an insulator does not.

Explanation:

The difference between a conductor and an insulator is a conductor allows electricity to flow through it easily and an insulator does not.

What is conductor?A conductor is a material that conducts electricity. Most metals are good conductors. The best conductors are single element materials such as copper(Cu), silver(Ag), gold(Au), which are characterized by atoms with only one valence electron very loosely bound to the atom. What is an insulator?A material that does not easily transmit energy such as electric current or heat is called insulators. All materials contain electrons. The electrons in insulators like rubber are not free to move. They are tightly bound inside atoms.

Hence, we can conclude that option B is the correct answer.

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Answer:

Pi to 5 decimals is 3.14159-

Brainlist pls!

P.S. It's a repeating number, but you can just put a (-), so that you don't have to type the whole thing out.

Answer:

sorry raaz report mat kerna

points collect kr rehe hai

Answer:

d. skeletal and muscular

Answer:

Top secret

Explanation:

Top secret because it is circling the word secret on the stack of three so its the secret on the top. It's a play on words or words riddle.

Answer:

0.0917 mol Co(CrO₄)₃

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic TableUsing Dimensional Analysis

Explanation:

Step 1: Define

37.3 g Co(CrO₄)₃

Step 2: Identify Conversions

Molar Mass of Co - 58.93 g/mol

Molar Mass of Cr - 52.00 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of Co(CrO₄)₃ - 58.93 + 3(52.00) + 12(16.00) = 406.93 g/mol

Step 3: Convert

[tex]37.3 \ g \ Co(CrO_4)_3(\frac{1 \ mol \ Co(CrO_4)_3}{406.93 \ g \ Co(CrO_4)_3} )[/tex] = 0.091662 mol Co(CrO₄)₃

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

0.091662 mol Co(CrO₄)₃ ≈ 0.0917 mol Co(CrO₄)₃

Answer:

the first two elements of array are checked and the largest of these two elements are placed in arr[0]

the first and third elements are checked and largest of these two elements is placed in arr[0] .

this process continues until the first and last elements are checked.

Explanation:

Then you would find the largest Elements

Answer:

Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest.

Answer:

energy flow and nutrient cycles ( photosynthesis , food webs, decomposition webs) sediment transport and soil formation. the water cycle. reproduction/ regeneration mechanisms.

Answer:

The correct option is;

By first reversing Reaction 2 and then adding the enthalpy of Reaction 1 and the enthalpy of reaction 2

Explanation:

The given reactions are;

1) C₂H₂ (g) + 2H₂ (g) → C₂H₆ (g) [tex]{}[/tex] ΔH = -75 kcal

2) C₂H₄ (g) + H₂ (g) → C₂H₆ (g) [tex]{}[/tex] ΔH = -33 kcal

3) C₂H₂ (g) + H₂ (g) → C₂H₄ (g) [tex]{}[/tex] ΔH = ?

By reversing reaction (2) and subtracting the reactants from the products we then have followed by adding the enthalpy of reaction 1 to the value of the enthalpy of the (reversed) reaction 2, we have;

C₂H₂ (g) + 2H₂ (g) → C₂H₆ (g) [tex]{}[/tex] ΔH = -75 kcal

C₂H₆ (g) → C₂H₄ (g) + H₂ (g) [tex]{}[/tex] ΔH = 33kcal

Adding, and cancelling out the italicized terms which are repeated in the product and reactants, we get

C₂H₂ (g) + H₂ (g) → C₂H₄ (g) [tex]{}[/tex] ΔH = -75 kcal + 33 kcal = -42 kcal

Therefore, the correct option is "by first reversing Reaction 2 and then adding the enthalpy of Reaction 1 and the enthalpy of reaction 2"

Answer:

[tex]\boxed {\boxed {\sf Option: B }}[/tex]

Explanation:

The excess reactant is the reactant left over after a chemical reaction. It is found when the limiting reactant is completely done. The answer to your question is option B. The excess reactant is what is found after the reaction is complete. Our answer is Option B.

Answer:B

Explanation: Excess Reactant - The reactant in a chemical reaction that remains when a reaction stops when the limiting reactant is completely consumed consumed. The excess reactant remains because there is nothing with which it can react.