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Answer :By the time thermal equilibrium is attained in the system, ice is completely converted to water.

What is tehrmal equilibrium?

Thermal equilibrium is a situation in which two substances are exactly at the same temperature. That is. Heat is no longer flowing beween the bodies.

Recall that an insulated thermos flask implies that heat does not eneter or leave the system. Heat will flow from the water to the ice untill the both attains the same temperature and the ice is completely converted to water.

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For the ionization constant for acetic acid is 1.8 x 10-5; that for hydrocyanic acid is 4 x 10-10, The solution is basic due to the generation of OH– ions.

ionization constant is simply defined as a constant that relies on the equilibrium that exists b/w ions and molecules of solution.

Generally, the equation for the Chemical reaction  is mathematically given as

CH3C.O .O + H2_O ----> CH3COOH + O.H

Therefore

the anion C...N–  receives H+ ion from water as it goes through hydrolysis.

Hence

xN– + H2..O ----><---- HxN + O..H–

In conclusion, The solution is basic due to the generation of OH– ions.

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Answer:

The one 100 meters below the surface of the water.

Explanation:

As you go deeper into a body of water, there is more water above, and therefore a greater weight pushing you down.

Answer:

before the substance was a gas it was a liquid.

Explanation:

Answer:

The independent variable is the calculator

The dependent variable is the speed of solving the problem.

The constant variable is the same set of problems that were assigned to two groups of students.  

The dependent variable is the one that is being tested by experimentation. The dependent variable depends on the independent variable.  

The independent variable can b changed by the experimenter whereas the constant variable remains unchanged throughout the experiment.  

Answer:

Controlled Variable: The same math problems

Dependent Variable: The amount of time taken to answer

Independent Variable: One group using calculators and the other group not using calculators.

Explanation:

The dependent variable is the variable being tested and the independent variable is what is being changed. The controlled is what is staying the same.

Answer:

Your answers would be:

-impression fossils

-trace fossils

-replacement fossils

Explanation:

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Answer:

The are id-k- I dont know much on fossials. But did you know that thunder is lighting. I say this because thunder is just the noise lighting makes. We see the light firts because light travels faster than sound.

Explanation:

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~Zero~

Answer:

Organelles are structures within a cell that perform specific functions like controlling cell growth and producing energy. Plant and animal cells can contain similar types of organelles. However, certain organelles can only be found in plant cells and certain organelles can only be found in animal cells.

Answer:

I believe is the correct answer

Explanation:

100bromoaniline+nano2+hcl

The hydronium and hydroxide concentrations of a solution that is 5.0 x 10-3 M H2SO4 is 2.7.

PH is the degree of alkalinity and acidicity in a solution.

From the question,

pH= -log[H+] - (i)

10^-3=H2So4

H+= 2×10-3

here ,

h2so4 ——— 2[H+] + so4^2-

thus [H+]= 2*10^(-3) because hydrogen ion has two moles

pH= -log[H+]

pH= -log(2×10^-3)

pH= 3-log2

pH= 3-log2pH= 2.7

The pH is 2.7

Therefore, The hydronium and hydroxide concentrations of a solution that is 5.0 x 10-3 M H2SO4 is 2.7

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0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution of acetic acid, HCH₃COO, is 3.37 is because HCl dissociates more.

This is the separation of ions of an ionic compound when it dissolves.

Since 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 its hydrogen ion concentration is gotten from

pH = -log[H⁺]

So,

[tex][H^{+} ] = 10^{-pH}[/tex]

So, [H⁺] = 10⁻²

Also, since 0.010 M solution of acetic acid, HCH₃COO, has a pH of 3.37, its hydrogen ion concentration is gotten from

pH = -log[H⁺]

So,

[tex][H^{+} ] = 10^{-pH}[/tex]

So, [H⁺] = 10⁻³°³⁷ = 0.000427 = 4.27 × 10⁻⁴

Since the hydrogen ion concentration of HCl is 10⁻² and the hydrogen ion concentration of HCH₃COO is 4.27 × 10⁻⁴, we see that HCl dissociates more than HCH₃COO.

So, 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution of acetic acid, HCH₃COO, is 3.37 is because HCl dissociates more.

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neutral particles since they do not posses any charge

Answer:

they include pretty aurora as well as hazards

Thermohaline circulation that occur in the ocean part that flows across sea surface help to supply heat to polar regions.

The thermohaline circulation refer to a section and region of the ocean circulation which is majorly driven by heat gradient and freshwater that flows across the sea surface and also from the mixture of heat and salt that occur at the inside part of the ocean.

Therefore, Thermohaline circulation help to supply heat to polar regions.

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Answer:

8

Explanation:

2MgSO4

We see there are 4 atoms, but these are multiplied by 2, therefore 8 atoms of oxygen.

Answer:

it is 4.

Explanation:

four atoms of oxygen (O)

four atoms of silicon (Si)

two atoms of magnesium (Mg)

two atoms of oxygen (O)

The mass of  potassium chlorate, KClO₃ needed to produce 30 grams of potassium chloride, KCl is 49.33 grams

2KClO₃ —> 2KCl + 3O₂

Molar mass of KClO₃ = 39 + 35.5 + (16×3) = 122.5 g/mol

Mass of KClO₃ from the balanced equation = 2 × 122.5 = 245 g

Molar mass of Kcl= 39 + 35.5 = 74.5 g/mol

Mass of KCl from the balanced equation = 2 × 74.5 = 149 g

SUMMARY

From the balanced equation above,

149 g of KCl were obtained from 245 g of KClO₃

From the balanced equation above,

149 g of KCl were obtained from 245 g of KClO₃

Therefore,

30 g of KCl will be obtained from = (30 × 245) / 149 = 49.33 g of KClO₃

Thus, 49.33 g of KClO₃ are needed for the reaction

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Answer:

Zone A

Explanation:

Because, when facing the sun, the "A" zones would be furthest from the sun, they get the least amount of sunlight (also shows why they are the coldest parts).

Burette is the lab equipment used to estimate the volume of liquid during titration. The volume is measured by the bottom meniscus to the nearest 0.01 mL.

Burette is an instrument used in quantitative analysis like the volume of the sample in the titration methods and is made of a glass tube.

In the volumetric analysis, the final volume of the liquid is measured by locating the lower meniscus and is taken approximately near 0.01 ml as the burettes have markings of 0.1 mL.

Therefore, option a. locate the bottom meniscus and mark nearest to 0.01 mL.

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Answer:

Atomic weight and valence electrons

Explanation:

These variables allow Mendeleev to place each element in a certain row and column. The table comprises 7 rows and 18 columns.

The fruit which has the greater mass is peach i.e. 150 grams.

Mass is a quantity which is used to define that what amount of substance will occupy any space or present in the given object.

We have given,

Weight of apples = 85,000 mg

Weight of peach = 0.15 kg

To compare the quantity first we have to convert both of these units in the same unit, and we know that:

In 1 kilogram = 1000 grams

And in 1 grams = 1000 milligrams

So, we convert both the units into grams as:

85,000 mg =  85,000 / 1000 = 85 grams

0.15 kg = 150 grams

So, the mass of peach is high.

Hence, peach has the greater mass.

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Answer:

Constance has an apple that weighs 85,000 milligrams and a peach that weighs 0.15 kilograms. Which fruit has the greater mass? Choose the words and numbers to complete the statements.

Convert the masses of both fruits to the same unit.

85,000 milligrams is the same as  

85

 grams.

0.15 kilograms is the same as  

150

 grams.

The  

peach

 has the greater mass.tion:

A. Cold front

The warm front symbol would be red and have circles instead of triangles.

The occluded front symbol would be purple with both, a triangle and a circle.

The stationary Front symbol is a mixture of both symbols from cold front and warm front.

hope that helps!!

Answer:

the cycle of water and how it evaporates with energy from the sun and the droplets are stored in clouds which is condensation and when it rains or snows those are forms of precipitation

Explanation:

Answer:

it shows the continuous movement of water within the earth and atmosphere

Answer: 0.5 M

Explanation:

molarity is defined as [tex]\frac{mol}{L}[/tex]

in the question, we are already given the amount of moles of Ba+ and L of water. we can just plug it into the equation, [tex]\frac{1}{2}[/tex].

thus, the molarity will be 0.5 M

hope this helped! ♡

Answer: D. 7.71 x 10^24

Explanation:

12.8 moles CO2 (6.02 * 10^23 molecules / 1 mol) = 7.7 * 10^24 molecules :)

The correct location of the given object on represents continental drift or seafloor spreading.

The scientist Alfred Wegener is most closely connected with the concept of continental drift. Wegener wrote a paper outlining his notion that the continents were “drifting” across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.

The seafloor spreading is the increase of seawater covering the land area. The spreading of seawater is decreasing the land area.

Thus, the correct location is:

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Answer:

green house gas

Explanation:

The molecular formula for a compound with a percent composition of 38.7% C, 9.76% H, 51.5% O, and a molar mass of 62.0 g/mol is C₂H₆O₂.

A molecular formula is a chemical formula indicating the kinds and number of atoms of each kind in a molecule of a compound.

To determine the molecular formula, we need to follow a series of steps.

C: 38.7/12.01 = 3.22

H: 9.76/1.01 = 9.66

O: 51.5/16.00 = 3.22

C: 3.22/3.22 = 1

H: 9.76/3.22 = 3

O: 3.22/3.22 = 1

The empirical formula is CH₃O and its molar mass is 31.04 g/mol.

First, we will calculate how many times the empirical formula is contained in the molecular formula by dividing their molar masses.

n = (62.0 g/mol) / (31.04 g/mol) = 2

The molecular formula is 2 times the empirical formula, that is, C₂H₆O₂.

The molecular formula for a compound with a percent composition of 38.7% C, 9.76% H, 51.5% O, and a molar mass of 62.0 g/mol is C₂H₆O₂.

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they can survive without oxygen, this is bio btw :)

Based on the data given, the energy required to remove an electron from a hydrogen atom in the n = 11 state is -0.112 eV

Ionization energy is the energy requiredto remove an electron from a neutral atom or a cation in its gaseous state.

To calculate the energy required to remove the electron from a hydrogen atom in the n = 11 state, the formula below is used:

where

[tex]E_0 \: is \: ground \: state \: energy \: of \: hydrogen \: atom \: = -13.6 eV \\ [/tex]

substituting the values:

[tex]E_n = \frac{ - 13.6 × 1^{2}}{11^{2}} \: = - 0.112 \: eV[/tex]

Therefore, the energy required to remove an electron from a hydrogen atom in the n = 11 state is -0.112 eV

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Answer:

mf i was trying to

find out the same thing

Explanation: