A sample of mass 6.814 grams is added to another sample weighing 0.08753 grams.
The subsequent mixture is then divided into exactly 3 equal parts. One of those parts has the yield multiplied by 7.6335 times; what is the final mass?

Answers

Answer 1

Answer:

17.5609grams

Explanation:

According to the question, a sample of mass 6.814 grams is added to another sample weighing 0.08753 grams i.e.

= 6.814 + 0.08753

= 6.90153 grams

The result of this mixture i.e. 6.90153 grams is divided into three equal parts i.e.

= 6.90153 ÷ 3

= 2.30051 grams

This means that each equal part weighs 2.30051 grams

One of the yield (2.30051 grams) is multiplied by 7.6335 times i.e.

= 2.30051 × 7.6335

= 17.56094309

Hence, the final mass is 17.5609grams


Related Questions

Does standard enthalpy use net ionic equations?a. Trueb. False

Answers

Answer:

True

Explanation:

In an ionic reaction, the net ionic equation is used to calculate the standard enthalpy of reaction.

Hence the standard enthalpy of any ionic reaction can be obtained by considering its balanced net ionic reaction equation, hence the answer above.

What is true about all uranium atoms?
They each have the same number of nuclear
particles.
They each have the same number of neutral
particles.
O They each have the same number of neutrons.
They each have the same number of protons.

Answers

Answer:

they each have the same number of protons

Answer:they each have the same number of protons

Explanation:

I just took the test

please help me:) i need to show work too..

Answers

Answer:

1 0.005Km

2 3000mg

3 700 cm

5. 2500mm

6 0.0045

Explanation:

can someone please help me

Answers

astonishing, necessary

Calculate the millimoles of solute in 1.88 L of a 0.00713 M NaCN solution. millimoles:

Answers

Answer:

13.4 milimoles.

Explanation:

The following data were obtained from the question:

Volume = 1.88 L

Molarity = 0.00713 M

Millimoles of NaCN =?

Next, we shall determine the number of mole NaCN in the solution. This can be obtained as follow:

Molarity = mole /Volume

Volume = 1.88 L

Molarity = 0.00713 M

Mole of NaCN =?

Molarity = mole /Volume

0.00713 = moles of NaCN /1.88

Cross multiply

Mole of NaCN = 0.00713 × 1.88

Mole of NaCN = 0.0134 mole

Finally, we shall convert 0.0134 mole to Millimoles. This can be obtained as follow:

1 mole = 1000 millimoles

Therefore,

0.0134 mole = 0.0134 × 1000

0.0134 mole = 13.4 milimoles

Therefore, the millimoles of the solute, NaCN in the solution is 13.4 milimoles

Reactants undergo chemical reaction to form products.this chemical equation represents one such reaction.the coefficient for one of the reactants or products is incorrect .which part of the chemical equation is incorrect

Answers

Answer:

Explanation:

The part of 10 O2 is wrong.

Explanation:

The correct equation can be written as follows:

2  C 4 H 10  +  13  O 2  →  8  C O 2  +  10  H 2 O

The equation was not balanced before.

For a balanced chemical reaction, the number of atoms before and after the reaction should be the same. This is because matter is neither created not destroyed in a reaction, It changes from one form to another through chemical reactions.

which can be found on the periodic table: elements, compoumds or mixtures? pleaae help!!!!!!!!

Answers

Answer:

Elements

Explanation:

A compound: contains atoms of different elements chemically combined together in a fixed ratio.

A mixture: contain different elements and compounds but the ratio is not fixed nor are they combined via chemical bonds.

Answer:

elements can be found on a periodic table

List three different forms of potential energy

Answers

Answer:

Types of Potential Energy

Elastic Potential Energy. Anything that can act like a spring or a rubber band can have elastic potential energy. ...

Gravitational Potential Energy. There is a constant attractive force between the Earth and everything surrounding it, due to gravity. ...

Chemical Potential Energy.

(IF THIS HELPED CAN YOU GIVE ME A BRAINYLEST PLEASE?)

what is the mass number of an atom or ion with one proton, two neutrons, and one electron?

Answers

Answer:

3

Explanation:

mass no.=protons+neutrons

mass no.=1+2=3

Someone pls help me I don’t know this one

Answers

I believe it’s B. Plants, grasshopper, snake, mushrooms. The other ones don’t follow the flow of the arrows/ don’t go the same way the arrows are pointed. I hope this helps

Read the scenario, then answer the questions. A 2 kg ball is thrown upward with a velocity of 15 m/s. What is the kinetic energy of the ball as it is being thrown? J What is the potential energy of the ball when it gets to its maximum height just before falling back to the ground? J

Answers

Answer:

225 for both answers

Explanation:

The only reason i know this is because i got it wrong. 225

Answer:

225J on both of the questions.

When sand is coated with a layer of trimethylhydroxysilane, (CH3)3SiOH, it repels water and can no longer get wet. Hydrophobic sand (aka, magic sand) is fun to play with, but it can also have useful applications in agriculture to reduce water consumption (Water Resour. Manag. 2010, 24, 2237–2246). Predict the geometry for the silicon atom in trimethylhydroxysilane.

The geometry of the silicon atom in trimethylhydroxysilane is:__________

Answers

Is that how it’s spell trimethyhydrosilane?


Can somebody help me please? it’s urgent

Answers

Answers:

See attached table

Explanation:

The isotope symbol will have the mass number and chemical symbol.  The atomic number will be equal to the number of protons because the atomic number is the number of protons in an atom.  The electrons will be equal to the protons because the atom is neutral.  The neutrons can be found by subtracting the number of protons from the mass number.  The mass number can be found by adding the protons and neutrons.  It is also in the name of the isotope.

A physical change is chemically the same after the experiment.
True
False

Answers

Answer: True

Explanation:

How is the light emitted by an atom related to its electron configuration?A. Light is produced when an electron moves from a higher to a lower energy level. The color of the light (as we see it) depends on the amount of energy emitted by the electron.B. Light is produced when an electron moves from a lower to a higher energy level. The color of the light (as we see it) depends on the amount of energy emitted by the electron.C. Light is produced when a proton moves from a higher to a lower energy level. The color of the light (as we see it) depends on the amount of energy emitted by the electron.D. Light is produced when a proton moves from a lower to a higher energy level. The color of the light (as we see it) depends on the amount of energy emitted by the electron.

Answers

Answer:

Light is produced when an electron moves from a higher to a lower energy level. The color of the light (as we see it) depends on the amount of energy emitted by the electron.

Explanation:

According to the Bohr's model of the atom, energy is given out by an atom when an electron moves from a higher to a lower energy level. The energy of the emitted light is equal to the energy difference between the two energy levels.

Hence ;

∆E= E2 - E1

Where;

E2 = energy of the higher energy level

E1 = energy of the lower energy level.

By supplying light of various frequencies and observing the frequency/wavelength of light emitted by a particular atom, its electron configuration can be determined.

It is possible to make a buffer that functions well near pH 7 using citric acid, which contains only carboxylate groups. Explain. Drag the terms on the left to the appropriate blanks on the right to complete the sentences.a. decreaseb. increasec. repulsionsd. associatese. attractionsf. dissociate1. Successive deprotonations______the (−) charge density on the resulting anion.2.This results in unfavorable electrostatic_____between the carboxylate anions, which reduces the likelihood that a proton would_____.3. It is more favorable for the proton to remain bound to reduce unfavorable charge_______.

Answers

Complete Question

it is possible to make a buffer that functions well near pH 7 using citric acid, which contains only carboxylate groups. Explain. Drag the terms on the left to the appropriate blanks on the right to complete the sentences.

Words : decrease, increase, repulsion, associates, attractions, dissociate

1. Successive deprotonations -------------- the (−) charge density on the resulting anion.

2.This results in unfavorable electrostatic --------- between the carboxylate anions, which reduces the likelihood that a proton would ----------

3.it is more favorable for the proton to remain bound to reduce unfavorable charge----------- . .

Answer:

1

Successive deprotonations increase the (−) charge density on the resulting anion.

2

This results in unfavorable electrostatic repulsion between the carboxylate anions, which reduces the likelihood that a proton would dissociate

3

It is more favorable for the proton to remain bound to reduce unfavorable charge repulsion

Explanation:

Generally

Successive deprotonations decrease the (−) charge density on the resulting anion.

This because deprotonations means removal of positive charge

This results in unfavorable electrostatic repulsion between the carboxylate anions, which reduces the likelihood that a proton would dissociate

It is more favorable for the proton to remain bound to reduce unfavorable charge repulsion

What volume of acetic acid of density 1.10g/cm3 is needed to react with 250 mL of 0.50M Stronuim hydroxide?

Answers

Answer:

[tex]V=13.6cm^3[/tex]

Explanation:

Hello,

In this case, given the reaction in which the acetic acid reacts with strontium hydroxide to yield water and strontium acetate:

[tex]2CH_3COOH+Sr(OH)_2\rightarrow Sr(CH_3COO)_2+2H_2O[/tex]

The first step here is to compute the moles of strontium hydroxide that are reacting given its volume in liters (0.250 L) and concentration:

[tex]n_{Sr(OH)_2}=0.50mol/L*0.250L=0.125molSr(OH)_2[/tex]

Next, considering the 1:2 mole ratio between the strontium hydroxide and the acetic acid (molar mass = 60 g/mol) we compute the grams of acid that are consumed:

[tex]m_{CH_3COOH}=0.125molSr(OH)_2*\frac{2molCH_3COOH}{1molSr(OH)_2} *\frac{60gCH_3COOH}{1molCH_3COOH}\\ \\m_{CH_3COOH}=15gCH_3COOH[/tex]

Then, by using the density of the acetic acid, we compute the volume:

[tex]V=\frac{m}{\rho}=\frac{15g}{1.10g/cm^3} \\ \\V=13.6cm^3[/tex]

Best regards.

Which would be an adaptation for living in the tundra?
I Need Help Asap

Answers

Answer:

Long fur

Explanation:

Long fur is an adaption for the tundra because it is cold and snowy in the tundra, so therefore long fur is an adaption

Answer:

thic long fur that  overs you

Explanation:

What’s the symbol of the element that has 8 protons, 9 neutrons, and 8 electrons

Answers

Answer:

oxygen

Explanation:

 The given isotope has 8 protons and 8 electrons, so the atomic number of the given isotope is 8, which is the atomic number of oxygen.

Please answer ASAP >_<



What does xylem do in a plant?
•transport food
•transport water
•prevent water loss
•perform photosynthesis

Answers

Answer:

The correct answer is B. Transport water.

Explanation:

I did this quiz. :)

Xylem transport water. Therefore, the correct option is option B among all the given options. The vascular tissue of plants called xylem.

What is xylem?

The vascular tissue of plants called xylem transports water plus dissolving minerals from the roots towards the rest of the plant while also offering structural support. The tracheary components, a collection of specialized, water-conducting cells, make up xylem tissue.

All vascular plants, along with the seedless club mosses, fern, horsetails, all angiosperms (flowering plants), and gymnosperms, include xylem in addition to phloem (tissue that transports glucose from the leaves to the rest of the plant) (plants with seeds unenclosed in an ovary). Xylem transport water.

Therefore, the correct option is option B.

To learn more about xylem, here:

https://brainly.com/question/15918718

#SPJ6

Do molecules break or build from a solid to a liquid?

Answers

Answer:

they break

Explanation:

Molecules move more freely when it is a liquid state. To keep it a solid, it will bunch together.

Answer:

I think they break.

Explanation:

They do not build a solid to a liquid

Compare and contrast how are predation and parasitism similar how do they differ

Answers

Predation and Parasitism are similar in the way that the predator and parasite feed off the prey and host, and the prey and host generally are harmed in some way. However, a parasite is bound to the host, and can’t survive without it, while a predator can survive without just one specific prey.

A gas in a 6.2 mL cylinder has a pressure of 1.4 atmospheres. A piston is pushed in

until the gas volume is 3.1 mL, while the temperature remains constant. What's the

final pressure of the gas in the cylinder?

A) 2.8 atm

B) 4.8 atm

C) 3.2 atm

OD) 5.6 atm

Answers

Answer:

A) 2.8 atm

Explanation:

What is kinetic energy? Give an example please.

Answers

Kinetic energy is moving energy or the energy of motion.

If an object is moving like a rock rolling down

a mountain, we say the rock has kinetic energy.

A biochemical reaction will proceed in the direction as written if:_______a. ΔG > 0.b. ΔH > 0.c. ΔG = zero.d. ΔG < 0.e. ΔH < 0.

Answers

Answer:

ΔG < 0

Explanation:

The condition for spontaneity of a chemical reaction is that ∆G<0. Hence for any biochemical reaction to proceed as written, ∆G must have a negative value.

If ∆G >0, the reaction is not spontaneous and will not proceed as written. ∆G=0 means that the reaction has attained equilibrium.

lab report for physical and chemical changes??!

Answers

Answer:

[See Below]

Explanation:

✦ Physical Changes:

  ✧ Is when the form changes, but not the chemicals in that form.

  ✧ An example of this would be chopping wood. It's still wood but it's a different size now. It's easier to burn it since it's smaller.

✦ Chemical Changes:

  ✧ Is when the chemicals inside that form change to something else entirely

  ✧ An example would be an egg, when you cook the egg it can turn into being scrambled or fried. But you can't eat the raw egg until the chemicals change.

~Hope this helps Mate. If you need anything feel free to message me.

Answer:

Here is an example of the full report for this type of lab. Includes data table etc. I would suggest making some changes on wording prior to submission

Explanation:

Why enthalpy of combustion is always negative ?

Answers

Answer:

reason is Heat is involved, the reaction is exothermic and therefore heat is lost to the surrounding

Mike rides his motorcycle North at an average velocity of 20 meters/second for 500 seconds, how far did he ride?

Answers

Answer:

10000

Explanation:

Answer:10,000 meters

Explanation:20x500=10,000

The number 325.608 rounded to 3 significant figures is A) - 326 B) - 325.6 C) - 325.61 D) - 325 BRAINLIEST!!

Answers

Answer:

A.326

Explanation:

B is incorrect because that would be 4 significant figures.

C is incorrect because that would be 5 significant figures.

D is incorrect because, while it is 3 significant figures, it is rounding the .6 down which doesn't make sense. since it's .6 you should be rounding up not down.

D) - 325 I think or could possibly be B

test results indicated a chemical change has taken place ​

Answers


Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.
Other Questions
What is fencing? Explain. 3+ (-5) explain please i need it asap so... hurry! pls how many times the larva of silk worm moult? The number of families who used the minneapolis ywca day care service was recorded over a 30-day period. the results are as follows: The Sahara Desert spans multiple countries in Africa, Areas that share theSahara's desert climate are grouped together as what type of region? How can blood pressure affect the flow of blood? 0.456(456 repeating) as a fraction Type the wordDefinitionUsage 2. Cancer is made of human cells, and whatever is made of human cells ishuman, and what is human should not be killed, so cancer should not bekilled. Eratosthenes determined the circumference of Earth by conducting anexperiment. Put his steps in order as they correlate to the scientific method Can you please help ASAP!!! WILL MARK YOU BRAINLIEST Which of the following steps would not be necessary when using the square root property to solve a quadratic equation? When taking the square root of both sides, use on the square root of the constant. The square root property may be applied only if the constant is positive. Isolate the quantity being squared. After applying the square root property, solve the resulting equations. The length of a rectangle is 6 meters more than three times the width. The perimeter of the rectangle is 44 meters. What are the dimensions of the rectangle? Brian was eating a bag of potato chips at his computer and spilled them on the keyboard. What should Brian use to clean up the chips? A : Canned air B: Hair dryer C : Toothbrush D : Wet cloth what prevents ice crystals from forming on crop plant leaves? Given the ion C2O4-2, what species would you expect to form with each of the following ions?A. K+______B. Cu2+______ C. Bi3+______D. Pb4+______E. NH4+______F. H+______ What is the missing output? David bought a baseball card for $40. the value of the card increased by 25%. what is the new value of the card? Think about your previous math courses. Identify one tope that you learned about which you excelled I need help 9th grade As you read lines 4664, explain Kings outlook for America in the margin.