HELP!! fill in the blank using the word bank please (picture attached).

Answer:

yields

Explanation:

I just did that quiz on k12 8th grade

Answer:

D

Explanation:

TOOK TEST ON K12

Answer:

628.520 mmHg

Explanation:

1 atm = 760 mmHg

[tex](760 \div 1) \times 0.827[/tex]

The pressure of 0.827 atm in mmHg is 628.52 mmHg

Pressure has various units of measurement such as atmosphere (atm), pascal, mmHg, Newton per square metre (N/m²) etc. These units can be converted from one to the other.

Considering the question given above, we can convert 0.827 atm to mmHg as illustrated below:

1 atm = 760 mmHg

Therefore,

0.827 atm = 0.827 × 760

0.827 atm = 628.52 mmHg

Thus, 0.827 atm is equivalent to 628.52 mmHg

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Answer:

because theres a force called gravity

Explanation:

Answer:

ok

Explanation:

i am doing now so

The penalty for not voting in New South Wales is a $55 fine. You must respond within 28 days of the issue date of the notice. You will have four options: If you voted, you can provide details of where and when using our non-voter self-service portal.

Answer:

1200 milligrams

Answer:

1) Convert percent (m/V) to molarity

percent (m/V)=1.15 grams/100ml=1.15 g/0.1L=11.5g/L

molarity of KBr=mol/L=g/L *(1mol/molecular weight of KBr)=(11.5g/L) * (1mol/119.0g/mol)=0.0966 mol/L=0.0966M

2) calculation of osmol from mol

In solution, KBr dissociates into two ions K+ and Br- so there are 2 osmol of KBr per mol

3) calculation of osmolarity=molarity*2=0.0966*2=0.193 Osm or Osmolar

Explanation:

brainliest would be appreciated.

Answer:3.4 - 5.6

Explanation:

Answer:

A balanced chemical equation represents a chemical reaction that obeys the Law of Conservation of Mass (Matter). It can be thought of as describing how many atoms or molecules of reactants are consumed in order to produce a certain number of atoms or molecules of products.

Answer:

162.4 cm

Explanation:

please give brainliest award

Answer:

c

Explanation:

because your separating the atoms in the water

The appropriate model for nuclear fission is disturbing a drop of water such that it breaks into smaller droplets.

Nuclear fission refers to the disintegration of a large nucleus when it is bombarded with a small particle.

Usually, the protons in the nucleus repel each other strongly. Hence, as the atomic number of atoms continues to increase, this repulsion exceeds the nuclear attractive force causing the atom to disintegrate into smaller fragments called daughter nuclei when disturbed just as a drop of water such that it breaks into smaller droplets  when disturbed.

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Answer:Full moon

Hope this helps :)

A lunar eclipse can occur only at full moon.

Explanation:

During a lunar eclipse, Earth comes between the Sun and the Moon, blocking the sunlight falling on the Moon. A total lunar eclipse occurs when the Moon and Sun are on opposite sides of Earth. A partial lunar eclipse happens when only part of Earth's shadow covers the Moon.

Answer:

"Full moon"

A full moon would be needed due to the fact that the sun would need to entirely block it, resulting in a solar eclipse. Hence, the answer is "Full moon".

Answer:

green house effect

Explanation:

it works like a green house

Answer:

NO_x

Explanation:

you said it

The mass percent of benzoic acid in the sample is 55.5%.

The equation of the reaction is; HC7H5O2(aq) + NaOH(aq) ----> NaC7H5O2(aq) + H2O(l)

Number of moles of NaOH reacted = concentration × volume

Number of moles of NaOH reacted = 10.59/1000 L × 0.1546 M

Number of moles of NaOH reacted = 0.0016 moles of NaOH

Since the reaction is 1:1, 0.0016 moles of HC7H5O2 reacted also.

Hence, mass of HC7H5O2 = 0.0016 moles × 122 g/mol = 0.1952 g

Mass percent of HC7H5O2 in the original sample = 0.1952 g/ 0.3518 g × 100 = 55.5%

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Answer:

C. A Spring Scale

Explanation:

Using process of elimination, we can quickly decide that a stopwatch and a ruler will not be useful in measuring the force. This leaves us with either the spring scale or a balance scale. A balance scale is used to compare two weights, so this is eliminated. That leaves us with a spring scale. This is because we can attached the spring scale to the car and when we let it go, we can record the force. I hope this helps!

Under conditions of very high pressures, the volume would be lower than predicted by the Ideal Gas Law.

According to the kinetic theory of gases, a gas spreads out to fill the volume of the container holding it. Hence a gas does not have a definite volume due to the fact that there is no inter-molecular interaction between gas molecules.

When the gas is subjected to very high pressure, inter-molecular interactions become significant leading to a decrease in the volume of the gas.

Therefore, when subjected to high pressure, the experimental volume would be lower than predicted by the Ideal Gas Law.

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The characteristics of the ocean ridges allow finding the results to complete the statements are:

The oceanic ridges are mountain ranges or chains of volcanic mountains at the bottom of the ocean, in these the magma that rises cools and forms young rocks, in they are pushed by the other rocks that emerge, in general they are located on the edges of the tectonic plates .

Therefore, the oceanic ridges are the point where the earth's crust is separating, therefore it has the youngest rocks and in the furthest points it has the oldest.

Let's find the correct words for each phrase to be correct:

As a consequence of the characteristics of the ocean ridges, we can find the results to complete the statements  are:  

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A. The mass (in grams) of Ce(NO₃)₄ that will be required to make the solution is 24.16 g

B. The concentration of the nitrate ions in the solution is 1.66 M

C. The new concentration of the Ce(NO₃)₄ solution is 0.178 M

We'll begin by calculating the number of mole of Ce(NO₃)₄ in the solution.

Molarity = 0.415 M

Volume = 150 mL = 150 /1000 = 0.15 L

Mole = Molarity × Volume

Mole of Ce(NO₃)₄ = 0.415 × 0.15

A. Determination of the mass of Ce(NO₃)₄ required to make the solution.

Mole of Ce(NO₃)₄ = 0.06225 mole

Molar of Ce(NO₃)₄ = 140.12 + 4[14 + (16×3)]

= 140.12 + 4[14 + 48]

= 140.12 + 4[62]

= 140.12 + 248

= 388.12 g/mol

Mass = mole × molar mass

Mass of Ce(NO₃)₄ = 0.06225 × 388.12

Therefore, 24.16 g of Ce(NO₃)₄ is required to make the solution.

B. Determination of the concentration of the nitrate ion, NO₃¯ in the solution.

In solution, Ce(NO₃)₄ will dissociate as follow:

Ce(NO₃)₄ (aq) —> Ce⁴⁺(aq) + 4NO₃¯(aq)

From the balanced equation above,

1 mole of Ce(NO₃)₄ contains 4 moles of NO₃¯

Therefore,

0.415 M solution of Ce(NO₃)₄ will contain = 0.415 × 4 = 1.66 M NO₃¯

Thus, 1.66 M of the nitrate ion, NO₃¯, is present in the solution.

C. Determination of the new concentration of the Ce(NO₃)₄ solution.

Volume of stock solution (V₁) = 150 mL

Molarity of stock solution (M₁) = 0.415 M

Volume of diluted solution (V₂) = 350 mL

Molarity of diluted solution (M₂) =?

0.415 × 150 = M₂ × 350

62.25 = M₂ × 350

Divide both side by 350

M₂ = 62.25 / 350

Therefore, the new concentration of the Ce(NO₃)₄ solution is 0.178 M

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Answer:

1409725 m^3

Explanation:

volume = length * width * height

volume = (1.07e2) * (31) * (4.25e2)

volume = 1409725 m^3

Answer:

1

Explanation:

Answer:

can be SI or also know miles per second.

Answer:

i think it might be 3.8 milligrams but to be honest i dont know im just trying to help

Explanation:

Using value of 1.1×10−10 for the Ksp, 1.0 milligrams of Ag₂CrO₄ will dissolve in 11.5 mL of H₂O.

Mass is defined as the quantity of material that makes up a thing, whereas weight is the force that an object produces. A particle's or an object's mass is a dimensionless number that indicates how much matter is present. Gravity and inertia, which are the two main forces influencing how objects move in space, make mass crucial.

Ag2CrO4 dissociates to form Ag2CrO4 (s). aq 2Ag+ + crO4 (aq)

Ksp = [2Ag+] is an expression for the solubility product constant.

[Ag+] = 2x & [CrO4-] = x 1.1 10 10 = 2[CrO4-] (2x)

2(x) = 4x3 / x = [(1.1×10−10)/4]

1/3 = 3.02 x 10-4 M

Determine the number of CrO4- moles dissolved in 10 ml of water.

Molarity of CrO4- is equal to the number of moles of CrO4- divided by the volume in liters (3.02 x 10-4 M) (10 x 10-3 L)

Number of CrO4- moles equals (3.02 x 10-4)(10 x 10-3) = 3.02 x 10-6 mole.

Number of CrO4- = Number of Ag2CrO4 moles

                             = 3.02 x 10-6 mole

Ag2CrO4's molar mass = 331.73 g/mole.

3.02 x 10-6 mole of dissolved Ag2CrO4 in water

= 0.0010 g,

= 1.0 milligram.

Thus, using value of 1.1×10−10 for the Ksp, 1.0 milligrams of Ag₂CrO₄ will dissolve in 11.5 mL of H₂O.

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The density of the rectangular block is 1.07 g/mL.

From the question, we have the mass of the rectangular block as 121g

The dimensions of the block are given as follows;9.1cm by 5.4cm by 2.3cm

So we have the volume of the block as; 9.1cm × 5.4cm ×  2.3cm = 113 cm^3

Let us recall that; 1 cm^3 = 1 mL, so 113 cm^3 = 113 mL

Having said that, we must also remember that;

Density = Mass/volume

Density = 121g/113 mL

Density = 1.07 g/mL

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Answer:

The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized.

Explanation:

Hope it helps!

Answer:

Windstorm Hope it helped brainiest plz and thank you have a great day!!!

Explanation:

Which of the following natural processes will NOT directly result in the formation of sedimentary rock?

B. Windstorm