A certain gas has a molar mass of 28.0 g mol. Calculate the mass of this gas that would fit into a 3.00 litre container at 182 kPa and 47.2 °C?​

Apply ideal gas equation

Use ideal gas equation

If you add 25 g of CaCl2 to 1000. mL of water, what concentration of the solution would be 0. 225 grams/liter

Molarity or molar concentration(M) is defined as the  amount of a substance in a given volume of solution.

It is also known as the moles of a solute in a liter of  the solution.

Formula:

Concentration or molarity = number of moles ÷ volume

The number of moles is derived thus;

Number of moles = mass ÷ molar mass

mass of CaCl2 = 25g and molar mass = 110. 98 g/mol

Number of moles = 25 ÷ 110. 98 = 0. 225 mol

Given the volume = 1000 ml = 1 liter

Concentration = 0.225 ÷ 1 = 0. 225 grams/liter

Therefore, If you add 25 g of CaCl2 to 1000. mL of water, the concentration of the solution would be 0. 225 grams/liter

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The mass of water in the tank, given the data from the question is 549594 g

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

From the question given above, the following data were obtained:

The mass of the water can be obtained as follow:

Mass = mole × molar mass

Mass of water = 30533 × 18

Mass of water = 549594 g

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The given equilibrium reaction indicates the reaction between carbon monoxide and the oxygen and forms carbon dioxide. In this reaction, by increasing the concentration of the carbon monoxide, the equilibrium shifts towards the right. Since, the reactant concentration increases, the equilibrium stress decreases the concentration of the reactants and therefore, the equilibrium shift towards the right side of the equation.

reaction indicates that carbon monoxide reacts with oxygen and forms carbon dioxide gas.

By increasing the concentration of carbon monoxide image, the equilibrium in the reaction shifts towards the right.

The effect of change of pressure, concentration and temperature on the state of equilibrium can be predicted with the help of a principle known as Le Chatelier's principle. Here by increasing the concentration of CO₂, the amount of CO formation can increase.

If a system in equilibrium is subjected to a change in concentration, pressure or temperature, the equilibrium shifts in the direction that tends to reduce or to counteract the effect of change. When the concentration of any substance in equilibrium is increased, the equilibrium shifts in the direction which decreases the concentration of that substance.

On other hand, increasing the concentration of any of the products results in shifting the equilibrium in the backward reaction forming more products. So here increasing the amount of CO₂, shifts equilibrium in the backward direction and forms more amount of CO.

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Answer:

6.022×1023

Here, it has been asked how many eggs are in one mole of eggs. The eggs represent the unit which can be atom, ion or molecule. So by the definition of mole, 6.022×1023number of eggs are present in one mole of eggs.

In a boys hostel, 1206 eggs would represent 1206 moles of eggs, assuming an average molar mass of 50 grams/mol.

To determine the number of moles of eggs,  first know the molar mass of eggs or the average molar mass of the components in eggs.

Since the composition of eggs can vary, assume an average molar mass based on the most abundant components.

The molar mass of an egg can be estimated to be around 50 grams/mol. This estimate takes into account the approximate composition of eggs, which consists mainly of water, protein, fat, and other components.

Next, convert the mass of eggs to moles.  1 mole of a substance contains Avogadro's number of molecules or entities, which is approximately [tex]6.022 *10^23.[/tex]

Let's calculate the number of moles of eggs:

Mass of eggs = 1206 eggs * 50 grams/egg

= 60300 grams

Moles of eggs = Mass of eggs / molar mass of eggs

= 60300 grams / 50 grams/mol

= 1206 moles

Therefore, 1206 eggs would represent approximately 1206 moles of eggs, assuming an average molar mass of 50 grams/mol.

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Answer:

Covalent Compound

Explanation:

H₂O is a covalent compound due to the electronegativity difference between hydrogen and oxygen. Covalent compounds involve elements with similar electronegativity values. Hydrogen has an EN value of 2.2 and oxygen has an EN value of 3.4. These values are not far enough apart to make them form ionic bonds between each other.

While water can act as an acid, it its purest form, H₂O is neutral.

Answer:

a.) (aq)

Explanation:

(aq) means aqueous

so its in a solvent

There are 22.5 grams of protein in one cup of soup that has 140 kcal with 8 g of carbohydrate and 2 g of fat.

The mass of a substance is the quantity of the substance that is being measured in grams or kilograms.

To determine the energy from the 8g of carbohydrate, we have:

= 8g × 4 kcal/g (the corresponding calories of food type)

= 32 kcal

The energy from 2g of fat = 2g × 9 kcal/g

= 18 kcal

The energy from protein is calculated as:

= 140 kcal - 32 kcal - 18 kcal

= 90 kcal

The required mass of the protein in grams is:

[tex]\mathbf{= 90 \ kcal \times \dfrac{1}{4 \ kcal }}[/tex]

= 22.5 grams

Therefore, we can conclude that there are 22.5 grams of protein in one cup of soup.

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The quantity of morphine, the nurse should administer is 0.3 ml.

Morphine is a drug which comes under the pain relieving drugs.

The quantity of morphine is 0.05 mg/kg

The weight of the baby is 3 kg.

Available morphine is 0.5 mg/mL.

0.05 x 3 = 0.15 mg

then, 0.15 mg / 0.5 = 0.3

Thus, the quantity of morphine, the nurse should administer is 0.3 ml.

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A titration is defined as 'the process of determining the quantity of a substance A by adding measured increments of substance B, the titrant, with which it reacts until exact chemical equivalence is achieved (the equivalence point)'.

The Molarity of the HCl Solution requires the addition of 24.6 mL of titrant is 0.0836 M (to 3 significant figures)

A reagent solution of precisely known concentration that is added in titration

Given reaction HCl + NaOH ===> NaCl + [tex]H_2O[/tex]  neutralization reaction

Note that the mole ratio is 1:1 meaning that 1 mole HCl reacts with 1 mole NaOH to produce 1 mole NaCl and 1 mole [tex]H_2O[/tex]

Find moles of NaOH used:

18.45 ml x 1 L/1000 ml x 0.085 mol/L = 0.002091 moles NaOH used

This meant that there must be 0.002091 moles of HCl present in the 25.0 mls.

We want to find the molarity (M) which is moles HCl/liter of solution.  We know the moles, and we also know the liters of solution (25.0 mls x 1 L / 1000 mls = 0.025 liters)

M = 0.002091 moles HCl / 0.025 liters = 0.08364 M = 0.0836 M (to 3 significant figures)

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From the calculations, we can see that the theoretical yiled of NO2 is 100L of NO2

The theoretical yield is that calculated from the stoichiometry of the reaction.

We can see that 1 mole of O2 produced 2 moles of NO2. Thus;

2.23 moles of O2 will produce 4.46 moles of NO2

Since 1 mole of NO2 occupies 22.4 L

4.46 moles of NO2 occupies 100L of NO2

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The number of grams present in 0.025 mole of Demerol hydrochloride is 7.094 grams.

It is a drug used in treating severe or moderate pain.

The moles are given = 0.025

The formula is C₁₅H₂₂CINO₂

The elements that present are C, H, Cl, N, O.

The molecular weight are given:

Carbon: 12.0107

Hydrogen: 1.00784

Chlorine: 35.453

Nitrogen: 14.007

Oxygen: 15.999

Multiply the molecular weight with moles and add them

(15 x 12.0107) + (22 x 1.00784) + (1 x 35.453) + (1 x 14.007) + (2 x 15.999) = 283.79098 grams per mole.

Now, multiply the number of moles given with the total molecular weight

283.79098 x 0.025 = 7.094

Thus, the number of grams are 7.094.

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Hi there! Let's solve this problem shall we!

⠀Volume = 10g

      Mass = 2 mL

In this specific problem, they are asking us to find the density of the object. So, using the information given to us (volume and mass), let's solve the problem!

Now, if you remember, D = M ÷ V

So, let's fill in the blanks!

D = Our unknown value

M = 2mL

V = 10g

Here is the filled out formula:

D = M ÷ V

D = 2mL ÷ 10g

D = 5 g/mL

*Make sure you put the units for your final solution!*

Answer:

Solution — Molar mass (Molecular mass in gram) of CaCO3 = 40+12+3×16 = 100 g No. of moles of CaCO3 = No. of molecules/Avogadro constant = 6.022 × 1023/ 6.022 × 1023 = 1 mole Mass of CaCO3 = No. of moles × molar mass = 1 × 100 g = 100 g.

Explanation:

The volume (in cm³) gained by a person who gains 11.8 lb of fat is 5830.49 cm³

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

1 lb = 453.592 g

Therefore,

11.8 lb = 11.8 × 453.592

11.8 lb = 5352.3856 g

Volume =  mass / density

Volume =  5352.3856 / 0.918

Volume = 5830.49 cm³

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If you fill the capillary tube all the way to the top, it will become difficult to obtain a sharp melting point.

The melting point of a solid is the temperature at which a solid is changed into a liquid upon application of heat.

If you fill the capillary tube all the way to the top, it will become difficult to obtain a sharp melting point thus it should be filled only  to about 2 - 3 mm.

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Answer:

These three are correct:

The kinetic energy of a substance is proportional to temperature.

The potential energy of a substance depends on its composition.

Chemical systems contain both kinetic energy and potential energy.

Explanation:

Answer:

250 moles of H2O

Explanation:

I assume THIS is the equation you are using:

2H2 + O2    =====> 2 H2 O

  each mole of O2    results in twice as many H2O moles

     so 250

[tex]C_{12}H_{22}O_{11} + 12O_2[/tex]  → [tex]12CO_2 + 11H_2O[/tex] is the balanced form of the chemical equation.

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products.

12 hydrogen, 35 oxygen, and 22 hydrogens are present on both sides of the reaction.

[tex]C_{12}H_{22}O_{11} + 12O_2[/tex]  → [tex]12CO_2 + 11H_2O[/tex]

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Answer: 9.27 g/mL

Explanation:

[tex]d=\frac{m}{v}=\frac{18.53}{2.0}=\boxed{9.27 \text{ g/mL}}[/tex]

Answer: I think it's

The correct statement regarding the specific heat capacity of the substance is as follows: air requires the most energy to increase its temperature followed by aluminum and then iron.

Specific heat capacity of a substance refers to the amount of thermal energy required to raise the temperature of a system by one temperature unit (1°C or 1K) without any change of phase.

According to this question, the specific heat of different elements are as follows:

Therefore, it can be said that air requires the most energy to increase its temperature followed by aluminum and then iron.

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Explanation:

because translucent shades lets the light through easily (gentle diffusion)

Answer:

Silver does not react with cold water, because as in the Reactivity Series, Silver is highly unreactive/least reactive metal.

Answer:

Because silver is inert towards cold water.

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At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules."

It is expressed as;

V₁/n₁ = V₂/n₂

Given the data in the question;

V₁/n₁ = V₂/n₂

V₁n₂ = V₂n₁

V₂ = V₁n₂ / n₁

V₂ = (13.9L × 3moles) / 2moles

V₂ = 41.7molL / 2mol

V₂ = 20.85L

Therefore, at constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

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