What is the mass of one mole of silver?

Answers

Answer 1

Answer:107.868 grams 

Explanation: I’m really sorry if it’s wrong:-(

Answer 2

Answer:

107.8682 grams

Explanation:

The molar mass of a substance is the mass in grams of one mole of that substance. This mass is given by the atomic weight of the chemical unit that makes up that substance in atomic mass units (amu). For example, silver has an atomic weight of 107.8682 amu, so one mole of silver has a mass of 107.8682 grams


Related Questions

Which statement below describes the location of nonmetals on the periodic table?

Answers

Answer:

Nonmetals are located on the upper right side of the Periodic table (see above image). Exception: Hydrogen is a nonmetal which is located on the left top corner of the Periodic table. Well, you have got the answer of “Where are Nonmetals located on the Periodic Table?”

Explanation:

the thermal energy of the higher-temperature object as does the temperature?

Answers

Answer:

Temperature is the average kinetic energy of particles of an object. Warmer objects have faster particles and higher temperatures. If two objects have the same mass, the object with the higher temperature has greater thermal energy. Temperature is measured with a thermometer.

A sample of iron having a mass of 93.3 g is heated to 65.58 oC and is placed in 75.0 g of water raising the temperature of the water from 16.95 o C to 22.24 o C. Find the specific heat capacity for this iron sample. (Specific Heat of Water (C) = 4.184 J/go C)

Answers

Answer:

0.271J/g°C

Explanation:

mass of iron=93.3g

∆°C=65.58

mass of water=75g

C of water=4.184

∆°C=22.4-16.95=5.29°C

mc∆°C of iron = mc∆°C of water

93.3×C×5.29=75×4.184×5.29

C=75×4.185×5.29/93.3×65.58

C=0.271J/g°C

chemistry question
label them
reactants, products,activation energy etc​

Answers

In the illustration A would be the reactants and E would be the products. B would be the activation energy (Ea), C would be the potential energy of reactants, F would be the potential energy of products, and D would be the potential energy change.

Energy Diagram

The energy diagram shows the energy states of the components of reactions.

From the diagram, A being the reactant becomes E, the product. The minimum energy that A needs to overcome to arrive at the product (activation energy) is B.

The energy state of the reactant A before becoming the product is C while that of the product E is F. The difference in the energy state of A and E is D.

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Give the names for the following compounds:
a. Ag2O
b. Ca(OH)2
c. KClO3
d. NH4Cl
e. Fe2(CrO4)3
f. KClO

Answers

Answer:

b. CA(OH)2 - Calcium hydroxide

a. silver oxide
b. calcium hydroxide
c. potassium chlorate
d. ammonium chloride
e. iron chromate
f. potassium hypochlorite

Elaborate on the method used to extinguish each class of fire

Answers

All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire.

Which statement best describes what happens to the carbon dioxide produced by humans?.

Answers

It is converted to bicarbonate ions. I think sorry if it’s wrong.

what are the hydrogen ion and hydroxide ion concentrations in water? what is the pH and pOH of pure water?

Answers

Answer:

The pH of pure water is 7, the negative logarithm of 1 X 10-7. A neutral solution is one that is neither acidic nor basic. The hydrogen ion concentration equals the hydroxide ion concentration, and both equal 1 X 10-7 M. In a neutral solution, then, pH = pOH = 7.

Explanation:

The hydrogen ion concentration equals the hydroxide ion concentration, and both equal  to [tex]1 X 10^{-7}[/tex] M. Hence, in a neutral solution, then, pH = pOH = 7.

What is pH?

pH is a quantitative measure of the acidity or basicity of aqueous or other liquid solutions.

pOH is calculated by taking negative logarithm of hydroxide ion concentration.

The pH of pure water is 7, the negative logarithm of [tex]1 X 10^{-7}.[/tex]

A neutral solution is one that is neither acidic nor basic.

The hydrogen ion concentration equals the hydroxide ion concentration, and both are equal to [tex]1 X 10^{-7}[/tex] M.

Hence, in a neutral solution, then, pH = pOH = 7.

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7.25 moles of air are pumped into a car tire. At 80°C, the pressure inside the tire is 506.625
kPa. What is the volume of the tire?

Answers

For this question you need to use the ideal gas equation PV = nRT.

P is pressure, V is volume, n is number of moles, R is molar gas constant (8.31J/mol*K) and T is temperature.

The temperature must be in Kelvin for this equation, 80°C in kelvin is (80 + 273.15) = 353.15K

We also want to convert the kPa into Pa so we times by 1000 giving us 506625Pa

Since we’re looking for volume we rearrange to make V the subject giving us V = nRT/P.

Now you just plug in the values, V = 7.25 * 8.31 * 353 / 506625 which will give us 0.042m^3.

Hope this helps

What type of galaxy is most common?

Elliptical
Irregular
Lens
Spiral

Answers

Elliptical galaxies are the most abundant type of galaxies found in the universe but because of their age and dim qualities, they're frequently outshone by younger, brighter collections of stars. Elliptical galaxies lack the swirling arms of their more well-known siblings, spiral galaxies.

Fun fact:
Our Milky Way has a spiral galaxy

Hope this helped :)

After some wood has completely burned in a fire some of the matter that made up the wood has been destroyed

Answers

Answer:

Because it went through a chemical change which changes its atomic form

Choose the general equation for a decomposition reaction.

Answers

Answer:

A decompositon reaction is a reaction that takes place when one reactant breaks down into two or more simpler substances. The decomposition reaction can be represented by the general equation: AB → A + B. Most of the decomposition reactions require an input of energy in the form of heat, light or electricity

Explanation:

Can grasshoppers fly?

Answers

No, Grasshopper can’t fly, they can only hop

Answer:

Yes, because they have strong wings..

What is the molarity of a solution that has 26 moles of nacl in 2. 7 l of water?.

Answers

The molarity of a solution that has 26 moles of NaCl in 2.7L of water is 9.63M.

How to calculate molarity?

The molarity of a solution can be calculated by dividing the number of moles of the solute by the volume of the solution as follows:

Molarity = no of moles ÷ volume

According to this question, a solution has 26 moles of NaCl in 2. 7 l of water. The molarity is as follows:

Molarity = 26mol ÷ 2.7L

Molarity = 9.6M.

Therefore, the molarity of a solution that has 26 moles of NaCl in 2.7L of water is 9.63M.

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At a temperature of 273K, a 400 mL gas sample has a pressure of 760 mm Hg. If the pressure is changed to 380 mmHg, at which temperature will this gas have a volume of 551mL?

Answers

Answer: The correct answer is 188.03K.

Explanation:

As a result, the gas sample will have a volume of 551mL at a temperature of 188.03K.

What is the name of the molecule shown below?

Answers

A 2-octene. The feature is the double bond its an alkene. 8 carbons so (oct) attached to 2nd carbon.

A.2-octene  is the name of the molecule shown below.

How many carbons does 2-octene have?

The oct part of the name indicates the parent chain. In this case, oct- is an abbreviation for octane, which means that there are 8 carbons in the parent chain. The first part of the name, cis-2. 2 is used to indicate the first atom that forms the double bond above.

Alkenes are classified into higher olefins and alpha olefins. This means that the double bond is in the alpha (primary) position, which makes the compound more reactive and provides useful chemistry.

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if you start out with 5.33 moles F2 and 2.22 moles NH3.
a. Identify the limiting reagent for the given combination of reactants.
b. Calculate how many grams of HF will be made.

Show work.

Answers

a. For the given combination of reactants, the limiting reagents is F₂

b. The mass of HF that would be made is 106.65 g

Stoichiometry

From the question, we are to identify the limiting reagent and calculate the mass of HF made

First, we will write the balanced chemical equation for the reaction

3F₂ + NH₃ → 3HF + NF₃

This means 3 moles of F₂ reacts with 1 mole of NH₃ to produce 3 moles of HF and 1 mole of NF₃

From the given information,

We have 5.33 moles of F₂ and 2.22 moles of NH₃

Since,

3 moles of F₂ reacts with 1 mole of NH₃

Then,

5.33 moles of F₂ will react with 1.78 moles of NH₃

Therefore, NH₃ is in excess and F₂ is the limiting reagent

Hence, for the given combination of reactants, the limiting reagents is F₂

b. For the mass of HF that would be made

From the balanced chemical equation,

3 moles of F₂ reacts with 1 mole of NH₃ to produce 3 moles of HF

Then,

5.33 moles of F₂ will react with 1.78 moles of NH₃ to produce 5.33 moles of HF

Number of moles of HF produced = 5.33 moles

Using the formula,

Mass = Number of moles × Molar mass

Molar mass of HF = 20.01 g/mol

∴ Mass of HF produced = 5.33 × 20.01

Mass of HF produced = 106.65 g

Hence, the mass of HF that would be made is 106.65 g

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Select the element with the greatest metallic character.Select the element with the greatest metallic character.

Answers

The most metallic element must have the most negative reduction potental therefore, the most metallic element here is calcium.

What is a metal?

A metal belongs to the groups that appear at the left hand corner o the periodic table. These elements are often sonorous when struck and possess a characteristic lustre.

We must know that the most metallic element must have the most negative reduction potental. Hence, the most metallic element here is calcium.

Missing parts: Select the element with the greatest metallic character. Li, Al, Cs, Ca​

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What is the density of a substance with a mass of 20.0 g and a volume of 4.0 mL?

Answers

Answer:

20÷4=5g/ml, bcz it is in mL but in other situations you will need to convert it to L by dividing it by 1000

Hello There!!

Given,

Mass= 20.0g

Volume= 4.0mL

To Find,

Density of substance

We Know,

[tex]\text{Density} = \frac {\text{Mass}}{ \text{Volume}}[/tex]

Inserting The Values

[tex] \text{Density} = \frac{20.0 \text{ \: g}}{4.0 \: \text{mL}} \\ \\ \text{Density} = \frac{ \cancel{20.0}\text{ \: g}}{ \cancel{4.0} \: \text{mL}} \\ \\ \text{Density} = 5.0 \: \text{g/mL}[/tex]

[tex]\therefore \text{Option B}= 5.0 \: \text{g/mL is the correct answer}[/tex]

Hope this helps

What is a trade-off?




Don't mind the highlighted yellow circle

Answers

Answer:

a new scientific discovery that benefits the environment

Work out the specific heat capacity of each metal from the data given:
Gold- the temperature of 2.00g of gold is raised by 11.7°C when 3.00J of energy is supplied

Answers

Answer:

C) Solar Energy, i,e, Energy that comes from the sun

Predict the species that will be reduced first if a mixture of molten salts containing the following ions undergoes electrolysis:

Zn2+, Mn2+, Na+, Al3+, Li+

Hint! You may need to consult the table of Standard Reduction Potential on the data sheet.

Answers

Answer: Zn2+

Explanation:

The standard reduction potential of the given species is as follows:-

[tex]\begin{aligned}&Z_{(aq)}^{2+}+2 e^{-} \longrightarrow {Zn}(\mathrm{s}) \quad E^{\circ}=-0.76 \mathrm{~V}\\&\mathrm{Mn}_{(\text {aq) }}^{2+}+2 e^{-} \longrightarrow \mathrm{Mn}(\mathrm{s}) \quad E^{\circ} = -1.03 \mathrm{~V}\\&\mathrm{Na}^{+}_{(\text {aq) }} + e^{-} \longrightarrow \mathrm{Na}\text{(s)} \quad E^{\circ}=-2.71 \mathrm{~V}\end{aligned}[/tex]

[tex]\begin{aligned}&\mathrm{Al}_{(\text {aq) }}^{3+}+3 e^{-} \longrightarrow \text {Al}\text{(s)}\quad E^{0}=-1.66 \mathrm{~V}\\&\mathrm{Li}^{+}(aq)+{e}^{-} \longrightarrow \mathrm{Li}\text{(s)} \quad E^{0}=-3.05 \mathrm{~V}\end{aligned}[/tex]

In the electrochemical series, the species having the lowest electromotive force—the lowest negative value—will be reduced first and the species having the highest negative value will be reduced last

Therefore, Zn2+ will be reduced first and Li+ will be reduced last

The reduction has been defined as the loss of electrons. The species of molten salt that reduces first has been zinc ion in electrolysis.

What is electrolysis?

The electrolysis has been defined as the process of the ionization of the salt under the influence of the electric field.

The species with the lowest reduction potential will reduce first. The reduction potential of the following is:

Zinc ion = -0.76 VManganese ion =  -1.03 VSodium ion = -2.71 VAluminum ion = -1.66 VLithium-ion = -3.05 V

Zinc has the lowest reduction potential and thus is the reduced first among the others.

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What role does sulfuric acid play in the fischer esterification?.

Answers

Answer:

It plays the role of a catalyst.

what determines the boundaries of a water shed

Answers

The boundary of a watershed is defined by the highest elevations surrounding a lake or river segment. A drop of water falling outside of the boundary will drain to another watershed.

Answer:

The boundary of a watershed is defined by the highest elevations surrounding a lake or river segment. A drop of water falling outside of the boundary will drain to another watershed.

Explanation:

what is chemical formula of benzaldehyde?

Answers

Answer:

the chemical formula of benzaldehyde is C₇H₆O

Calculate the number of atoms in 5 moles H₂O.

Answers

Answer:

90.35 × 10²³ atoms

Solution:

1 molecules of H20 contains 3 atoms,.

And we know that one mole of any molecule contains 6.023 × 10²³ atoms from Avogadro's number,

hence 5 moles of H20 will contain = 5× 6.023 × 10²³ × 3 atoms = 90.35 × 10²³ atoms!

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Differences in the density of seawater cause it to move. True or false?
True
False​

Answers

Answer:

True

Explanation:

Differences in water density affect vertical ocean currents (movement of surface ocean water to the bottom of the ocean and movement of deep ocean water to the surface). … Denser water tends to sink, while less dense water tends to rise.

Differences in the density of seawater cause it to move. Therefore, the given statement is true.

What is density?

The substance's mass per unit of volume is known as its density (volumetric mass density or specific mass). Although the Roman letter D may also be used, the sign most frequently used for density is (the lower case Greek letter rho). Density is calculated mathematically by dividing mass by volume.

Where m represents the mass, V is the volume, and is the density. Density is sometimes roughly characterized as weight every unit volume, while this is incorrect technically; this quantity is much more precisely known as specific weight. One example of this is in the US oil and gas business. Differences in the density of seawater cause it to move.

Therefore, the given statement is true.

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Pls help with question 10

Answers

Answer:

Formula/Molecular Mass = 147.77415g/mol = 148g/mol (to 3 significant figures)

Explanation:

Given the Law of the Conservation of Mass, the amount of H2O produced will be equal to 10.00g-4.40g = 5.6g

Given equation n=m/M ,

n(H2O)= 5.6/ (1.008×2)+(15.999) = 0.318520677 moles

∴ x=0.318520677 moles

∴ Molecular mass (hydrated sodium sulfate) =

= (22.990×2)+(32.06)+(15.999×4)+[0.318...((1.008×2)+(15.999))]

= 147.77415g/mol

Answer:

Answer is in the attachment:

x=10

Explanation:

How many moles of Ca(NO3)2 are there in 77.4 mL of 0.45 M solution?

Round your answer to 3 decimal spaces, even if sig figs are not conserved.
(Please answer quickly)

Answers

Answer:

.03483 moles

Explanation:

.45 * 77.4/1000 =

04. a migrating bird can travel at a speed of 10m/s. how far it will travel in 20min at this speed?
Give your answer in meters (m) and in kilometers (km).

Answers

Answer:

12000m & 12km

Explanation:

covert 20mins into seconds.

20 x 60= 1200seconds

distance = speed x time

distance = 10 x 1200

distance = 12000m

1km=1000m

12000/1000= 12km

hope that helps :)

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