how many grams of C2H5OH would get if you started with 5.0 g

Answers

Answer 1

Answer:

92.13688 grams


Related Questions

please help me

Select the correct answer.

Who founded the specialized field of anatomy?

A. Herophilus

B. Aristotle

C. Claudius Galen

D. William Harvey​

Answers

Answer:

the correct answer is A. please mark me brainlist

Explanation:

Answer:

geon, Andreas Vesalius. Vesalius describes what he observes during the public dissection of human corpses. By dissecting human bodies, preparing muscles, tendons, and nerves down to the smallest detail, Vesalius is able to prove more than 200 errors in Galen’s anatomical works.

Explanation:

With his comprehensive scientific studies of human bodies, the young professor of medicine not only revolutionizes anatomy, but consequently, the whole science of medicine.

I know I never completely answered your question, I just wanted to explain it was E. None of the above.

Respiration describes the process that living cells use to release energy by combining sugar and oxygen. The primary chemical changes that happen during respiration are shown in the equation below.

C6H12O6 + 6O2 ---> 6CO2 + 6H2O + energy

Which statement correctly compares the reactants and products of the equation?
A.
The mass of the reactants is less than the mass of the products.
B.
The mass of the reactants is greater than the mass of the products.
C.
The mass of the reactants is the same as the mass of the products.
D.
The number of reactant molecules is greater than the number of products.

Answers

Answer:

C the mass of the reactant molecules is the same as the mass of the product

PLEASE ITS DUEE TODAY at 6:00PM!!!!!

Please draw the complete chemical structure of the tripeptide having the amino acidsequence: Asp-Leu-Ser

Answers

Answer:

I got you... 2 amino acids are linked to each other by a peptide linkage. A peptide linkage is formed when carboxyl group of one amino acid combine with the amine group of the other and during this process, a water molecule is removed.  

The given tripeptide will have 2 peptide bonds. To draw the structure of given tripeptide, we will arrange them in the given order and then we will remove 2 water molecules to form 2 peptide bonds.

 

Explanation:

Hope this helps:)

Identify the major ionic species present in an aqueous solution of C6H12O6 (glucose).
A. 6 C-
, 12 H+
, 6 O–
B. 6 C+
, 12 H+
, 6 O2–
C. 6 CH2+, 6 O2–
D. C6
+
, 12 H+
, 6 O2–
E. no ions are present

Answers

Glucose is a molecular substance therefore, there are no ionic species in glucose.

Ionic substances dissolve in water to yield ions. Molecular substances do not produce ions in solution. The conductivity of ionic solutions owes to the presence of ions in solutions. Molecular solutions do not conduct electricity due to the absence of ions.

Glucose is a molecular substance hence they are are no ions present hence glucose does not conduct electricity.

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Science 5th grade very PLZ answer correctly TYSM WILL MARK AS BRAINLIST IF ANSWERED TODAY!

Answers

Answer:

A

Explanation:

Conducts electricity:

-Steel

-Gold

-Copper

-Aluminum

Does not conduct electricity:

-Plastic

-Glass

-Rubber

-Wood

Metallic bonding causes metals to conduct electricity. Some metals are more highly conductive than others.

Hope this helps :)

Answer:

The first table correctly classifies the materials.

Explanation:

In table 1, all the elements on the left side are transition metals, expect for steel. Steel is not an element, it's an alloy (Which is a combination of two or more elements).Transition metals are very good conductors of heat and electricity. The reason why transition metals make such good conductors is because their outer electrons can move freely in their atom.

The right side of table 1 correctly classifies the materials that do not conduct electricity. The reason why those materials are poor conductors is because they all have their electrons tightly bound to their atoms.

In table 2, it classifies copper has a poor conductor which is wrong. It also classifies wood as a good conductor which also wrong for the reasons I stated above.

Write and balance the equation for the complete combustion of heptane, C7H16. Phase symbols and energy changes are optional.

Answers

The balanced equation for the complete combustion of heptane, [tex]C_{7}H_{16}[/tex] is given as,

[tex]C_{7}H16(g) + 11O_{2} (g)[/tex] → [tex]7CO_{2}(g) + 8H_{2}O(g)[/tex] + heat/light

What is combustion reaction?It is exothermic redox chemical reaction.The reaction between fuel and oxidant to produce oxidized product is called combustion reaction.The oxidant are usually atmospheric oxygen.The oxidized product is carbon dioxide gas and water.

What is balanced chemical equation?

The chemical equation in which number of atom each elements is equal in reactant and product of the reaction is called  balanced chemical equation.

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A reaction mixture initially contains 0.236 mol FeS and 0.670 mol HCl. Once the reaction has reached completion, what amount (in moles) of the excess reactant is left

Answers

Answer:

= 0.198 mole H₂S in excess

Explanation:

A quick way to determine limiting reactant is to convert reactant values given to moles and divide by respective coefficient. The smaller value is the limiting reactant other reactants will be in excess. However, when working problem, use mole values given to solve, not results of division.

       FeS         +        2HCl          => FeCl₂ + H₂S

0.236mole/1      0.670mole/2

   = 0.236             = 0.335

limiting reactant is FeS; HCl will be in excess.

Problem solution

0.236mole FeS used + 2(0.236 mole HCl used)

=> 0.236 mole FeCl₂ + 0.236 mole H₂S + (0.670 - 0.472) mole HCl in excess or, 0.198 mole H₂S in excess.

Hope this helps.    :-)

Question 3 of 10
Which event indicates an endothermic chemical reaction?
A. Decrease in temperature
B. Release of heat
C. Increase in thermal energy
D. Production of light



Plz help

Answers

Answer:

A. Decrease in temperature

Explanation:

The statement indicates an endothermic chemical reaction is "Decrease in temperature".

What is endothermic reaction?

Endothermic reactions generate products by absorbing heat energy from the environment.

The temperature of the reaction mixture rises as energy is released in an exothermic process. The temperature drops when energy is absorbed in an endothermic reaction. A thermometer can be used to monitor temperature changes in the reaction mixture.

An endothermic reaction happens when the temperature of an isolated system drops while the temperature of its surroundings rises. The overall heat of reaction in endothermic reactions is positive (q > 0).

Hence the correct option is A.

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Help pls it’s so hard

Answers

Answer:

skip and read this story then complete the problem

Answer: Help little friends for someday they may be great friends

Hope it’s help I already Answer that

What kind of fault movement will create a tsunami?​

Answers

Answer:

I THINK IT'S BECAUSE THE EARTH UNDER THE SEA SHIFTS AND THE VIBRATION OF THE WATER GETS BIGGER UNTIL IT BECOMES A TSUNAMI. BRAINLIST ???

How many molecules of oxygen can be made from 9.52g of nickel (III) oxide?

Answers

Answer:

165.385 g/mol

Which of the following has kinetic energy?
O A compressed spring
O An arrow shot from a bow
O water in a reservoir at a hill top
O Amonkey hanging from a tree

Answers

Kinetic energy is energy that an object possesses due to its motion.

Lets look at each option:

A compressed spring has potential energy.

An arrow shot from a bow does have Kinetic energy.

Water in a reservoir at a hill top is potential energy.

A monkey hanging from a tree is potential energy.

This means that the answer is B) An arrow shot from a bow

I hope this helps! :)

According to law of conservation of energy,energy is converted from one form to another so by this fact an arrow shot from a bow has kinetic energy generated from potential energy.

What is law of conservation of energy?

According to law of conservation of energy, it is evident that energy is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.

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The Periodic table below shows major regions in different colors. In this periodic table, which type of element is shown in green boxes?

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is~ B

The elements shown in green boxes are ~ Metalloids

Which unit is 10,000 times LARGER than the MICRO unit?

Answers

Answer:

Micro means 0.000001. So 10,000 times larger than that is the Centi unit, which is 0.01

which phase has the highest entropy?
a. gas
b. liquid
c. solid
d. aqueous

Answers

Answer:

Gas>Liquid>Solid

Explanation:

Entropy by definition is the degree of randomness in a system. If we look at the three states of matter: Solid, Liquid and Gas, we can see that the gas particles move freely and therefore, the degree of randomness is the highest.

As the reaction goes through phases, the phase that has the highest entropy is the gas state. This is further explained below. Option A is correct.

What is entropy?

A thermodynamic number that represents the inability of a system's thermal energy to be converted into mechanical work, and is commonly understood as the system's degree of disorder.

In conclusion, we have that as the reaction goes through phases, the gaseous state has the highest entropy.

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Explain why most cells must be microscopic (so small they must be viewed with a microscope) in order to maintain life properly.

Answers

Answer:

if the cell grows beyond a certain limit, not enough material  will be able to cross the membrane fast enough to sustain the increased cellular volume

Answer: In most cells, this passage of all materials in and out of the cell must occur through the plasma membrane



Explanation:

Hypothesis of 6. You decide to clean your bedroom. You notice that your floor is covered with clothes.
You try to get rid of the clothes by throwing them into the air. You throw clothes
from 1/3 of the room into the closet and a second 1/3 of the room straight up in
the air. In the last 1/3 of the room, you leave the clothes on the floor. After 30
minutes of “cleaning,” the floor of the room is now visible.
IV: Where clothes are thrown
DV: visible floor
Hypothesis????

Answers

Answer: So you could for example say, “IF I through my clothes into the closet. THEN the floor will be visible” I capatlized if and then because you need them in a hypothesis.

Explanation:

*1. The internal energy with a system associated with the motion of particles and that can be added to a substance is called_____.

A. Thermal energy

B. Electrostatic forces

C. Temperature

D. Kinetic energy






*2. Which statement describes the effect of adding more energy to a system, assuming a phase change does not occur?

A. The particles within the system will have greater motion, and the temperature will decrease.

B. The particles within the system will have greater motion, and the temperature will increase.

C. The particles within the system will have less motion, and the temperature will increase.

D. The particles within the system will have less motion, and the temperature will decrease.






*3. Which statement correctly describes how attractions that hold particles break?

A. Attractions due to electrostatic forces. When particles have low enough energy, these forces can no longer keep particles together.

B. Attractions due to gravitational forces. When particles have low enough energy, these forces can no longer keep particles together.

C. Attractions due to gravitational forces. When particles move fast enough, these forces can no longer keep particles together.

D. Attractions due to electrostatic forces. When particles move fast enough, these forces can no longer keep particles together.






*4. Which statement explains why a rubber band analogy is not a perfect comparison for bonds in a substance when considering phase changes?

A. For a phase change from liquid to gas, the bonds break completely and particles can move independently of each other.

B. For a phase change from liquid to gas, the bonds do not break completely and the particles can still slide past each other.

C. For a phase change from solid to liquid, the bonds break completely and particles can move independently of each other.

D. For a phase change from solid to liquid, the bonds do not break completely in the particles can still slide past each other.






*5. The boiling point of benzene is 80°C. Which pair of samples will have the same average kinetic energy as benzene molecules?

A. Two samples of liquid benzene, one at 70°C in the other at 80°C.

B. A sample of liquid benzene at 70°C and a sample of gaseous benzene at 90°C.

C. Two samples of gaseous benzene, one at 80°C in the other at 90°C.

D. A sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C.

Answers

Answer:

1. thermal energy

2. the particles within the system will have greater motion, and the temp will increase.

3. attractions occur due to electrostatic forces. when particles move fast enough, these forces can no longer keep particles together.

4. for a phase change from a solid to liquid, the bonds do not break completely and particles call still slide past each other.

5. a sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C

Explanation:

hope this helps

Temperature is a measure of the average kinetic energy of molecules.

The particles of a substance are in constant random motion. As more thermal energy is added to the particles, the motion of the particles increases. If more energy is added to a system during phase change, the particles within the system will have greater motion, and the temperature will increase.

Attractions between particles is greater when the kinetic energy of molecules decreases. Therefore, a statement that correctly describes how attractions that hold particles break is; "attractions due to electrostatic forces. When particles move fast enough, these forces can no longer keep particles together."

The rubber analogy is commonly used to describe covalent bonds where stretching of bonds occur. This analogy is not apt in describing phase changes because for a phase change from a solid to liquid, the bonds do not break completely and particles call still slide past each other.

The average kinetic energy of molecules depend on temperature hence a  sample of liquid benzene at 80°C and a sample of gaseous benzene at 80°C will have the same average kinetic energy.

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What does percent composition tell you about a molecule?
O A. It tells you how the elements are arranged in the molecule.
B. It tells you the ratio of elements in the molecular formula.
C. It gives you the total number of atoms in the molecule.
D. It tells you how much of a molecule is made up of each element.
SUBMIT

Answers

Answer:

B

Explanation:

percentage composition helps to determine the percentage of each element in a compound

10. Based on their valence electrons, how many
atoms of chlorine are expected to bond
with each of the following elements?
a. carbon
b. nitrogen
c. aluminum
d. sulfur

Answers

will share 2 elctrons with 2 Cl to form

S in column 16 WILL SHARE 2 ELECTRONS WITH 2 /Cl to form

SCl2

,

Answer:

a. carbon    CCl4

b. nitrogen NCl3

c. aluminum AlCl3  

d. sulfur SCl2

Explanation:

10. Based on their valence electrons, how many

atoms of chlorine are expected to bond

with each of the following elements?

a. carbon    CCl4

b. nitrogen NCl3

c. aluminum AlCl3  

d. sulfur SCl2

Cl is in Periodic Table column 17, so it has 7 valence  and needs 1 more to have an electronic structure like its nearest noble gas, Ar.

It then has an oxidation state 0f -1.

Carbon in column  has  +/-4 charge, so 4 Cl will bond with 1 C to make

covalent CCl4

Nitrogen in column 15  is -3.  It will share 3 electrons with 3 Cl to form

covalent NCl3

Al in column 13 give away 3 electrons to 3 Cl to form

ionic AlCl3

S in column 16 will share 2 electrons with 2 Cl and frorm

SCl2

A student wants to show the transfer of heat energy without matter which investigation design would best help the student
A) an investigation of radiation through a current in a fluid
B) an investigation of radiation through electromagnetic waves
C) an investigation of conduction through collisions between particles in space
D) an investigation of conduction through the movement of particles through a solid

Answers

Answer:

C

Explanation:

According to the concept of thermal energy, transfer of heat energy can be depicted by investigation of conduction through collisions between particles in space.

What is thermal energy?

Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.

Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.

These vibrating molecules and atoms collide and as a result of which heat is generated in a substance , more the collision of particles , higher is the thermal energy.

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Help please :) with this

Answers

Answer:

The answer is 3

Explanation:

Hope this helps and have a wonderful day.

2. What is the temperature (°C) of 1.50 moles of gas stored in a 10.0 L container at 1558 mm
Hg? (R=0.082 L atm/ mol K, 1.00 atm = 760 mm Hg
(4 points)

Answers

Answer:

-106°C

Explanation:

1558 mmHg / 1 × 1 atm / 760. mmHg = 2.05 atm

PV = nRT

2.05 atm (10.0 L) = 1.50 mol (0.082 atmL/molK) T

20.5 atmL = (0.123 atmL/K) T

K/0.123 atm L × 20.5 atmL = (0.123 atmL/K) T × K/0.123 atmL

166.666 K = T

167 K = T (sig figs)

K = °C + 273

167 - 273 = °C - 273

-106 = °C

which has the shorter bond lengths in Alkane,alkene and alkynes​

Answers

Answer:

alkanes

Alkynes have the strongest bond. Followed by alkenes and then alkanes. This is because in alkynes there are 3 bonds between at least two carbons

please help me! giving brainliest!!

Answers

Answer:

It is a covalent bond because both carbon and oxygen are nonmetals. The formula will be CO² because the electrons between the atoms are being shared equally.

Answer:

Option C

Explanation:

CO₂ is a covalent bond because we know that both elements are nonmetals. The carbon atoms shares 2 electrons with each oxygen atom and each oxygen atom shares two electrons with the carbon atom. CO₂ forms a nonpolar covalent bond, meaning that the electrons are shared equally.

How does using more water in a beaker affect the solubility in an experiment?

Answers

Because it may dilute the substance

5. To investigate electrostatic forces between molecules in water and in ethanol, a student pours identical amounts of the liquids into two identical beakers. The student then places objects of different weights in the beakers. Which characteristic is the student most likely testing?
A. melting point
B. boiling point
C. surface tension
D. vapor pressure

Answers

The student then places objects of different weights in the beakers, surface tension is the characteristic is the student most likely testing.

What is surface tension ?

Surface tension is the propensity for liquid surfaces that are at rest to condense into the smallest surface area. Razor blades and insects, which have a density greater than that of water, can float on the surface of the water without even becoming partially buried because of surface tension.

A liquid surface's ability to operate like a stretched elastic membrane is known as surface tension. Small liquid drops and soap bubbles have almost spherical shapes, which are indicators of these phenomena. Some insects can stand on the surface of water due to this characteristic.

Surface tension is a crucial factor in many industrial processes, such as detergent formulation, paint optimization, improved oil recovery, medicinal compound performance, and food product stability.

Thus, option C is correct.

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The partial pressure of CO2 gas in a bottle of carbonated water is 4.60 atm at 25 ºC. How much CO2 gas (in g) will be released from 1.1 L of the carbonated water when the partial pressure of CO2 is lowered to 1.28 atm? At 25 ºC, the Henry’s law constant for CO2 dissolved in water is 1.65 x 103 atm, and the density of water is 1.0 g/cm3.

Answers

If the partial pressure of CO₂ in a bottle of carbonated water decreases from 4.60 atm to 1.28 atm, the mass of CO₂ released is 0.265 g.

The partial pressure of CO₂ gas in a bottle of carbonated water is 4.60 atm at 25 ºC. We can calculate the concentration of CO₂ using Henry's law.

[tex]C = k \times P = \frac{1.65 \times 10^{-3} M }{atm} \times 4.60 atm = 7.59 \times 10^{-3} M[/tex]

We can calculate the mass of CO₂ in 1.1 L considering its molar mass is 44.01 g/mol.

[tex]\frac{7.59 \times 10^{-3} mol}{L} \times 1.1 L \times \frac{44.01 g}{mol} = 0.367 g[/tex]

Now, we will repeat the same procedure for a partial pressure of 1.28 atm.

[tex]C = k \times P = \frac{1.65 \times 10^{-3} M }{atm} \times 1.28 atm = 2.11 \times 10^{-3} M[/tex]

[tex]\frac{2.11 \times 10^{-3} mol}{L} \times 1.1 L \times \frac{44.01 g}{mol} = 0.102 g[/tex]

The mass of CO₂ released will be equal to the difference in the masses at the different pressures.

[tex]m = 0.367 g - 0.102 g = 0.265 g[/tex]

If the partial pressure of CO₂ in a bottle of carbonated water decreases from 4.60 atm to 1.28 atm, the mass of CO₂ released is 0.265 g.

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The partial pressure of CO₂ gas in a bottle of carbonated water is 4.60 atm at 25 ºC. How much CO₂ gas (in g) will be released from 1.1 L of the carbonated water when the partial pressure of CO2 is lowered to 1.28 atm? At 25 ºC, the Henry’s law constant for CO₂ dissolved in water is 1.65 x 10⁻³ M/atm, and the density of water is 1.0 g/cm³.

name 2 elements that are liquid at room temperature and describe their colour​

Answers

Answer:

Bromine

Mercury

Bromine (symbol Br and atomic number 35) is a reddish-brown liquid, with a melting point of 265.9 K. Mercury (symbol Hg and atomic number 80) is a toxic shiny silvery metal, with a melting point of 234.32 K.

what are massless particles​

Answers

A massless particle is an elementary particle whose invariant mass is zero. The two known massless particles are both gauge bosons: the photon and the gluon.

Answer:

particals that have no mass

Explanation:

key word maseless

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