PLEASE ANWSER FAST! Gus is performing an experiment on cells. First he places the cells in a container of water and salt. When he checks some of the cells under a microscope, he sees that they are beginning to shrivel. What would most likely stop the cells in the liquid from shriveling? adding more water to the container adding more salt to the container increasing the number of cells in the container decreasing the number of cells in the container

Answers

Answer 1

Answer:

adding more water to the container

Explanation: because it would cause it to soak up the fluid to created a substance again

Answer 2

Answer:

adding more water to the container and iflamates the cells

Explanation:


Related Questions

Oxidation state of N in n2(g)

Answers

Answer:

0

Explanation:

did research

TAn adult with the flu has a temperature of 103.0 ∘F.
Express your answer as an integer.
A brain contains 1.10×10^10 neurons.
Express your answer as an integer.
The time for a nerve impulse to travel from the feet to the brain is 0.46 s.
Express your answer as an integer.

Answers

Lolvgukvguigyuftuiffftftftfygyguuh

Answer:A integer is a whole number.

An adult with the flu has a temperature of 102°F

A brain contains  neurons (moving the decimal point to the right side power of 10 increases........here decimal point is moved to two places to the right side so power of 10 decreases from 10 to 8)

The time for a nerve impulse to travel from the feet to the brain is  s. (moving the decimal point to the right side power of 10 increases........here decimal point is moved to two places to the right side so power of 10 decreases from 0 to -2)

Explanation: i am sorry for being 2 year late :(

i hope this answer your question if this is wrong or correct please let me know

What is the final volume of argon gas if 2.5 L at 94.0 kPa is compressed to a pressure of 207 kPa

Answers

Answer:

1.1 L

Explanation:

Volume and pressure are inversly proportional to each other meaning as volume increase, pressure decreases or the other way around. Use the equation V1P1=V2P2. So, it'll be (2.5L)(94.0kpa)=(207kPa)(V2). Thereby it is (2.5*94.0)/207= V2 = 1.1L. Don't forget your sigfigs which will be to 2 sigs.

The chemical 2,4-D causes liver decay in birds. True False

Answers

false because it has a low toxicity and can only have moderate toxicity in birds

Answer:

no it cant

Explanation:

Is gasoline evaporated, gasoline, burned water frozen and water heated up a chemical change

Answers

Answer:

as gasoline is evaporated, this gasoline still remains as gasoline but in gaseous form when gas is being burned .

In the following atomic model, where does the strong nuclear force happen?

Answers

Answer:

the strong nuclear force happens in the neuclus

how do isotope of the same element differ?

Answers

Answer:

isotope of the same element differ

Explanation:

isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number.

Which ocean zone lies inside V-shaped ocean trenches? O A. Bathypelagic O B. Abyssopelagic Ο Ο Ο Ο O C. Mesopelagic O D. Hadalpelagic​

Answers

Answer:

O D. Hadalpelagic is the answer.

What is the purpose of keeping a running list of new vocabulary words?
A. To make it easier to decode the word when you see it again
B. To provide an easy-to-remember picture associated with the word
C. To make it easier to remember and use new words
D. To allow you to critically evaluate every new word you come
across
Shjajfbcjahaixhfjwnzhsbsjxjdbxbsjzjfbwnznsnwnnsndndnwnbwjshsbdbdndnndndndbxbxnsnsn

Answers

Answer:

C

Explanation:

As C would be the wisest choice as being able to remember and use more words than the average human not only opens up your vocabulary but also your chances of writing a better essay using said words.

Answer:

C

Explanation:

Makes it easier to remember and use new words

An example of an extensive physical property is
Group of answer choices

mass

density

boiling point

melting point

Answers

Answer:

boiling point

how do you tell if an chemical eqaution is unbalanced

Answers

A balanced equation is an equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation. Law of conservation of mass governs the balancing of a chemical equation.
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The way you can tell if an equation is unbalanced is by looking at the number of atoms in each formula on each side

Ex: Cu + Cl -> CuCl2 = unbalanced
Cu + 2Cl -> CuCl2 = balanced

A certain element XX has four isotopes. 5.845% of XX has a mass of 53.93961 amuamu. 91.75% of XX has a mass of 55.93494 amuamu. 2.123% of XX has a mass of 56.93539 amuamu. 0.2820% of XX has a mass of 57.93328 amuamu. What is the average atomic mass of element XX? Express your answer numerically to four signif

Answers

Answer:

55.85 amu

Explanation:

Let A, B, C and D represent the four isotopes of element X.

The following data were obtained from the question:

Isotope A:

Abundance (A%) = 5.845%

Mass of A = 53.93961 amu

Isotope B:

Abundance (B%) = 91.75%

Mass of B = 55.93494 amu

Isotope C:

Abundance (C%) = 2.123%

Mass of C = 56.93539 amu

Isotope D:

Abundance (D%) = 0.2820%

Mass of D = 57.93328 amu

Average atomic mass of element X =.?

The average atomic mass of X can be obtained as follow:

Average Atomic mass = [(Mass of A × A%)/100] + [(Mass of B × B%)/100] + [(Mass of C × C%)/100] + [(Mass of D × D%)/100]

Average Atomic mass = [(53.93961 × 5.845)/100] + [(55.93494 × 91.75)/100] + [(56.93539 × 2.123)/100] + [(57.93328 × 0.2820)/100]

= 3.15277 + 51.32031 + 1.20874 + 0.16337

= 55.84519 ≈ 55.85

Therefore, the average atomic mass of X is 55.85 amu

Please help need ASAP!!! Due tonight,
Name the Compounds. Spelling counts
SiCl4
N2O4

Answers

Answer:

Silicon tetrachloride

Dinitrogen tetroxide

The name of the compound SiCl₄ is named silicon tetrachloride and N₂O₄ is named dinitrogen tetroxide.

SiCl₄ is named silicon tetrachloride. It is composed of one silicon atom (Si) bonded to four chlorine atoms (Cl). The prefix "tetra-" indicates the presence of four chlorine atoms bonded to the central silicon atom.

N₂O₄ is named dinitrogen tetroxide. It consists of two nitrogen atoms (N) bonded to four oxygen atoms (O). The prefix "di-" indicates the presence of two nitrogen atoms, and the suffix "-tetraoxide" indicates the presence of four oxygen atoms.

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The transfer of thermal energy by particles moving through a fluid (either a
gas or a liquid) is called?

Answers

Answer:

Convection

Explanation:

Convection is the transfer of thermal energy by particles moving through a fluid.

Answer:

convection

Explanation:

trust

A 60.04 g sample of a compound of carbon, sulfur, hydrogen and oxygen is burned completely. Calculate the empirical formula if 44.8 L of water at STP and 88.0 g of CO2 is formed. In another experiment, a 15.00 g sample of the compound produced 1.00L SO2 at 25.0 oC and 3.05 atm. In a final experiment: 3.57 L of the compound at 2.33 atm and 25 o C weighted 35.0g Find the molecular formula of the compound.

Answers

Answer:

Empirical formula: C₂SH₄

Molecular formula: C₄S₂H₈

Explanation:

The empirical formula is the simplest whole ratio of atoms presents in an element.

The compound contains C, S and H, its empirical formula is CₐSₓHₙ. We need to determine a, x and n solving for the moles of each element, thus:

Moles H₂O - moles H-:

PV/RT = n

At STP, P is 1atm, and T is 273.15K:

1atm*44.8L / 0.082atmL/molK*273.15K

moles H₂O = 2 moles water = 4 moles of H

Because 1 moles of water contains 2 moles of H

Moles CO₂ = moles C:

88.0g CO₂ * (1mol / 44g) = 2 moles CO₂ = 2 moles C

The mass of carbon is:

2 moles * (12g/mol) = 24g

Mass of hydrogen:

4 moles * (1g/mol) = 4g

The mass of S is:

60.04g - 24g - 4g = 32.04g = 1 mole of S

Empirical formula is:

C₂SH₄

Now, the moles of the compound in the final experiment are:

PV / RT = n

2.33atm*3.57L / 0.082atmL/molK*298.15K = 0.34 moles

-25°C = 298.15K. In gas laws you must use absolute temperature given in Kelvin-

These moles are in 35.0g. The molar mass of the compound is:

35.0g / 0.34 moles = 102.9g/mol

As the empirical formula is C₂SH₄ and weighs 60g/mol. Twice the empirical formula are the molecular formula:

C₄S₂H₈

The Molecular formula of the compound: C₄S₂H₈

Empirical formula:It is the simplest whole number ratio of atoms present in a compound.The compound contains C, S and H, its empirical formula is CₐSₓHₙ. We need to determine a, x and n solving for the moles of each element, thus:Moles of  H₂O= Moles of  H:

[tex]n=\frac{PV}{RT}[/tex]

At STP, P is 1atm, and T is 273.15K:

[tex]n= \frac{1atm*44.8L}{0.082atmL/molK*273.15K}[/tex]

Moles H₂O = 2 moles water = 4 moles of H

As, 1 moles of water contains 2 moles of H

Moles of  CO₂ = Moles of C:

88.0g CO₂ * (1mol / 44g) = 2 moles CO₂ = 2 moles C

We know,

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]

Mass of carbon is: [tex]2 moles * (12g/mol) = 24g[/tex]

Mass of hydrogen is: [tex]4 moles * (1g/mol) = 4g[/tex]

Mass of sulphur is: [tex]60.04g - 24g - 4g = 32.04g[/tex] = 1 mole of S

The derived Empirical formula will be: C₂SH₄

Now, the moles of the compound in the final experiment are:

[tex]n= \frac{PV}{RT}\\\\n=\frac{2.33atm*3.57L}{0.082atmL/molK*298.15K}\\\\ n= 0.34 moles[/tex]

These moles are in 35.0g. The molar mass of the compound is: [tex]\frac{35.0g}{0.34 moles} =102.9g/mol[/tex]

As the empirical formula is C₂SH₄ and weighs 60g/mol.

The empirical formula is two times the molecular formula: C₄S₂H₈

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what is the mass in grams of 1.9×1023 atoms of lead?

Answers

Answer:

Explanation:

# moles that exist in 1.9 X 10 23 =

             =  # of atoms/# of Avogadro 's num

             =    1.9 X 10 23 / 6.02x10 23

              = 0.266 mole of Pb

now we calculate the mass

   mass of lead = # mol x m.wt

                       =    0.266 X 106.4

                       = 28.30 gram

What does green design refer to?
A. Using materials and design techniques that reduce the negative
environmental impact of a structure
B. Using innovative steel production, modern safety elevators, and
other engineering technologies
C. Using natural colors when designing building so that they don't
seem harsh against the natural landscape
D. Incorporating various materials' strengths and weaknesses in the
design process
SUBMIT

Answers

Answer:

A. Using materials and design techniques that reduce the negative

environmental impact of a structure

Explanation:

A P E X

Using materials and design techniques that reduce the negative

environmental impact of a structure. Hence, option A is correct.

What is green design?

Green design is the 'creation of buildings which are energy-efficient healthy, comfortable, flexible in use and designed for long life.

The word ‘Green’ represents designs which are eco-friendly and less harmful to humans and other organisms. It helps in the protection of natural resources such as water, air etc.

Green designs are also referred to as techniques and materials that reduce the negative environmental impact of a structure.

Hence, option A is correct.

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what's evaporation according to kinetic particle theory?​

Answers

Answer:

Evaporation is a change of phase from liquid to gas explained as follows : When particles in the liquid phase are heated, they gain kinetic energy and move faster and further apart.

Using the mmoles of (35)-2,2,-dibromo-3,4-dimethylpentane calculated earlier and the molecular weight of the product (962 g/mol). Predict the theoretical 1 0096 yield of the product in grams. Round to the hundredths place.

Answers

Answer:

The yield of the product in gram is [tex]\mathsf{{w_P}=0.26 \ gram}[/tex]

Explanation:

Given that:

the molecular mass weight of the product = 96.2 g/mol

the molecular mass of the reagent (3S)-2,2,-dibromo-3,4-dimethylpentane is 257.997 g

given that the millimoles of the reagent = 2,7 millimoles = [tex]2.7 \times 10^{-3} \ moles[/tex]

We know that:

Number of moles = mass/molar mass

Then:

[tex]2.7 \times 10^{-3} = \dfrac{ mass}{257.997}[/tex]

[tex]mass = 2.7 \times 10^{-3} \times 257.997[/tex]

mass = 0.697

Theoretical yield = (number of moles of the product/ number of moles of reactant) × 100

i.e

Theoretical yield = [tex]\dfrac{n_P}{n_R}\times 100\%[/tex]

where;

[tex]n_P = \dfrac{w_P}{m_P}[/tex]    and [tex]n_R = \dfrac{w_R}{m_R}[/tex]

Theoretical yield = [tex]\dfrac{(\dfrac{w_P}{m_P})}{(\dfrac{w_R}{m_R})} \times 100\%[/tex]

Given that the theoretical yield = 100%

Then:

[tex]100\% =\dfrac{(\dfrac{w_P}{m_P})}{(\dfrac{w_R}{m_R})} \times 100\%[/tex]

[tex]\dfrac{w_P}{m_P}=\dfrac{w_R}{m_R}[/tex]

[tex]{w_P}=\dfrac{w_R \times m_P}{m_R}[/tex]

where,

[tex]w_P[/tex] = derived weight of the product

[tex]m_P =[/tex]the molecular mass of the derived product

[tex]m_R =[/tex] the molecular mass of the reagent

[tex]w_R[/tex] = weight in a gram of the reagent

[tex]{w_P}=\dfrac{w_R \times m_P}{m_R}[/tex]

[tex]{w_P}=\dfrac{0.697 \times 96.2}{257.997}[/tex]

[tex]\mathsf{{w_P}=0.26 \ gram}[/tex]

Which of the reactions are spontaneous (favorable)?
A. 2Mg(s) + O2(g) rightarrow 2MgO (s) delta G = - 1137 kJ / mol
B. NH3(g) + HCl(g ) rightarrow NH4Cl(s) delta G = - 91.1 kJ / mol
C. AgCl(s) rightarrow Ag+ (aq) + Cl-[aq) delta G = 55.6 kJ / mol
D. 2H2(g) + O2(g) rightarrow 2H2O(g) delta G= 456 kJ / mol
E. C(s) + H2O(t) rightarrow CO(g) + H2(g) delta G = 90.8 kJ / mol
F. CH4(g) + 2O2(g) rightarrow CO2(g) + 2H2O(t) delta G = -820 kJ / mol
A. Reaction A.
B. Reaction B.
C. Reaction C.
D. Reaction D.
E. Reaction E.
F. Reaction F.

Answers

Answer: Reactions: A, B and F

Explanation: Gibbs Free Energy, symbol G, combines Enthalpy (sum of internal energy) and Entropy (measure of how much the energy of atoms and molecules become spread out in a process).

The change in free energy (ΔG) is the sum of enthalpy and the product of temperature and entropy of the system.

With free energy, it is possible to determine if a reaction is spontaneous, i.e., happens wthout external energy, or non-spontaneous.

If ΔG is negative, reaction is spontaneous. If ΔG is positive, reaction is non-spontaneous.

Analysing each ΔG of the reactions above, reactions A, B and F's Gibbs Free energy are negative, so these 3 are spontaneous.

Based on your observations of the laboratory assignment(s) that produced gases, can you conclude
that the same gas was produced in each assignment? Briefly explain.

Answers

Answer:

With the use of same chemicals, same gas will be produced while the use of different chemicals, different gases will be produced.

Explanation:

The same gas was produced in each assignment if the same chemicals are mixed with each other while different gases were produced in each assignment when different chemicals are allowed to mix. If every time, same chemicals and same concentration of chemicals are mixed together, the result will be the same means production of same gas but if different chemicals are allowed to mix, then the product will be the production of different gases.

Explain how plastic can be both beneficial and detrimental at the same time.

Answers

Answer:

Detrimental- Toxic chemicals leach out of plastic and are found in the blood and tissue of nearly all of us. Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments

Beneficial- Plastic packaging helps protect and preserve goods, while reducing weight in transportation,

The measurement 3.8 x 10^3 g could also be written as

Answers

Right now it's written in scientific notation, so you can just move the decimal place in 3.8 to the right 3 times (as it is times 10 to the third power) to get 3,800g.

The measurement 3.8 x 10³ grams could also be written as 3.8 kilograms.

What is a unit of measurement?

A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.

                                               

As given in the problem we have to convert the measurement of 3.8 x 10³ grams into some different units,

1000 grams = 1 kilograms

1 gram = 1 /1000 kilograms

3.8 x 10³ grams = 3.8 x 10³ ×1 /1000 kilograms

                          =3.8 kilograms

Thus, the measurement 3.8 x 10³ grams could also be written as 3.8 kilograms.

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The measure of the amount of matter is known as _______?

Answers

Answer:

Mass is a measure of the amount of matter in a substance or an object. The basic SI unit for mass is the kilogram (kg), but smaller masses may be measured in grams (g).

0.00035 scientific notation

Answers

3.5 x 10^-4 is the answer ! :)
ANSWER: 3.5×10^-4




EXPLANATION: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Pure water can be consumed in a chemical reaction, resulting in the formation of a new
product. Refer to paragraph four. What type of change is this?

A. A physical change
B. A chemical change
C. A mixture change
D. A compound change

Answers

Chemical change - this applies to anything where a chemical reaction occurs.

Aqueous hydrochloric acid HCl will react with solid sodium hydroxide NaOH to produce aqueous sodium chloride NaCl and liquid water H2O. Suppose 9.84 g of hydrochloric acid is mixed with 3.1 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Round your answer to 2 significant digits.

Answers

Answer:

1.4 g H₂O

Explanation:

In a reaction, the reactants are usually not present in exact stoichiometric amounts, that is, in the proportions indicated by the balanced equation. Frequently a large excess of one reactant is supplied to ensure that the more expensive reactant is completely converted to the desired product. Consequently, some reactant will be left over at the end of the reaction. The reactant used up first in a reaction is called the limiting reagent, because the maximum amount of product formed depends on how much of this reactant was originally present. When this reactant is used up, no more product can be formed.

What is the mass of a block that measures 6.7cm x 6.8cm x4.3cm and has a density of 22.29g/cm³

Answers

Answer:

4366.8 grams or 4.4 kg

Explanation:

Density = Mass / Volume

Mass = Density x Volume

M = 6.7 x 6.8 x 4.3 x 22.29

M = 4366.8 g

Best Regards!

A liquid containing 55.0 wt% methanol (M), 5.00 wt% polyacrylate (P), and 40.0 wt% water (W) is distilled at steady-state into a top steam and a bottom stream. The total mass flow rates of the top and bottom streams are the same. The top stream has 85.0 wt% M and 0% P. a. Can you set a basis of calculation in this problem? Why or why not? b. Calculate the composition (mass fractions) in the bottom stream.

Answers

Answer:

a) YES ( Basis : F=100kg/h)

b) composition mass fraction in the bottom stream

(Xm)B = 0.25

(Xp)B = 0.1

(Xw)B = 0.65

Explanation:

a)

Can you set a basis of calculation in this problem? Why or why not?

Yes we can set a basis if calculation in this problem.

A good basis makes the calculation more easier. the problem are given in weight  basis so we can choose basis of feed rate of 100kg/h

BASIS : 100kg/h

b)

given that;

mass flow rate of M in the feeds Mf = 0.55*F = 0.55*100 = 55kg/h

mass flow rate of p in the feeds Pf = 0.05*F = 0.05*100 = 5kg/h

mass flow rate of W in the feeds Pf = 0.40*F = 0.40*100 = 40kg/h

Now Balance

F = T + B

( but T=B)

so F = T + T = 2T

B = T = 50kg/h

TOP

mass flow rate of M in the top Mt = 0.85*T = 0.85*50 = 42.5 KG/H

mass flow rate of P in the top Pt = 0kg/h

mass flow rate of W in the top Wt = 0.15*T = 0.15*50 = 7.5kg/h

balance on M

Mf = Mt + Mb

Mb = Mf - Mt = 55kg/h - 42.5kg/h = 12.5kg/h

Balance on P

Pf = Pb + Pt

Pb = Pf - Pt = 5kg/h - 0kg/h = 5kg/h

Balance on W

Wf = Wt + Wb

Wb = Wf - Wt = 40kg/h - 7.5kg/h = 32.5kg/h

So bottom composition

mass fraction of M in Bottom XmB = Mb/B = (12.5kg/g) / (50kg/h) = 0.25

mass fraction of P in Bottom XpB = Pb/B = (5kg/g) / (50kg/h) = 0.1

mass fraction of W in Bottom XwB = Wb/B = (32.5kg/g) / (50kg/h) = 0.65

Consider this equilibrium reaction at 400 K. Br2(g)+Cl2(g)↽−−⇀2BrCl(g)Kc=7.0 If the composition of the reaction mixture at 400 K is [BrCl]=0.00415 M, [Br2]=0.00366 M, and [Cl2]=0.000672 M, what is the reaction quotient, ???? ? ????= How is the reaction quotient related to the equilibrium constant, Kc, for this reaction?

Answers

Answer:

Q = 7.0

Q = kc. The reaction is in equilibrium

Explanation:

Based on the reaction:

Br₂ + Cl₂ ⇄ 2BrCl

Equilibrium constant of the reaction, kc, is the ratio of equilibrium concentrations products over reactants powered to its reaction coefficient:

Kc = [BrCl]² / [Br₂] [Cl₂] = 7.0

Now, reaction quotient, Q, is write as the same Kc but the concentrations are actual concentrations:

Q = [BrCl]² / [Br₂] [Cl₂]

Replacing:

Q = [0.00415M]² / [0.00366M] [0.000672M]

Q = 7.0

Now, as Q = Kc = 7.0, the reaction mixture is in equilibrium

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