help, please ( rando words )

Answer: 2 The Proximity toward the ocean

Explanation:

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Answer:

1.196 M NaOH

Explanation:

Molarity = moles/Volume (L)

moles NaOH = mass NaOH/MM NaOH = 12/40.01 = 0.299 moles NaOH

Volume solution = 250 mL = 0.250L

M = 0.299/0.250=1.196 M NaOH

Volume stays constant, so: P1/T1 = P2/T2

P1 = 3 atm

T1 = 20*C = 293 K

P2 = ?

T2 = 50*C = 323 K

Solve for P2: P1T2/T1 = P2

P2 = (3 atm)(323 K)/(293 K) = 3.3 atm

The Pressure of N2 after its temperature increased will be "3.3 atm". To understand the calculation, check below.

According to the question,

Pressure, P₁ = 3 atm

Temperature, T₁ = 20°C or,

                           = 293 K

                      T₂ = 50°C or,

                           = 323 K  

We know the relation,

→ [tex]\frac{P_1}{T_1}[/tex] = [tex]\frac{P_2}{T_2}[/tex]

or,

Pressure, P₂ = [tex]\frac{P_1\times T_2}{T_1}[/tex]

By substituting the values,

                     = [tex]\frac{3\times 323}{293}[/tex]

                     = [tex]\frac{969}{293}[/tex]

                     = 3.3 atm

Thus the above response is correct.

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Answer:

In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom In a periodic table arranged in order of increasing

Answer:

they make tissue. form organ and whole body an i true..

Answer: Rocks formed in this way include halite, gypsum, anhydrite, and some limestones. Layers of precipitated rocks are called evaporite deposits because they typically form where evaporation is high in arid regions like the desert southwest and in the eastern Mediterranean.

Explanation:

The three sedimentary rocks form from chemical precipitates and evaporites are halite, gypsum and anhydrite.

Pre-existing rocks or bits of once-living animals constitute sedimentary rocks. They are formed by the accumulation of sediments on the Earth's surface.

Halite, gypsum, anhydrite, and various limestones are examples of such rocks. Evaporite deposits are layers of precipitated rocks that occur in arid locations like the desert southwest and the eastern Mediterranean where evaporation is considerable.

Hence three sedimentary rocks are Halite, gypsum and anhydrite.

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Answer:

D.

Explanation:

To convert from grams of a substance to moles of a substance, you use molar mass as a conversion factor. Sodium's molar mass is 22.99 grams per mole. To cancel out grams, you need to place grams on the bottom and moles on the top.

Answer:

6.022  ×10(index 23) / 7.5 = 0.8293 ×10(index 23)

Explanation:

molar mass of C =  12gmol

therefore in 12g of C there is one mole or an amount of 6.022 ×10(index 23)

∴12g/6.02210(index 23) ×1.6g

Answer:

A  wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon? A It would cause the wagon to move faster.

Explanation:

Hoped this helped you guys!

Answer:

Equation of Reaction = AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq)

Steps:

1. Find the moles of AgNO3 with formula n= Mass/Mr (molecular mass)

so you will get moles= 10.0/ 169.87 = 0.05886854654

2. Using stoichiometry you know the equation has 1 mole so the moles of AgCl are gonna be the same; therefore, you will use again the same formula.

3.  moles= mass/molecular mass

0.05886854654 = x/ 143.32

You rearrange the formula to find the mass

so mass = moles x molecular mass

mass = 0.05886854654 x 143.32

mass= 8.44 grams

Explanation:

Answer:

D - metals conduct heat

Answer:

because it is a single cell. Cell A, because a nuclear membrane contains the cell’s DNA. Cell B, because it is much smaller. Cell B, because it contains genetic material

Explanation:

Answer:

B

Explanation:

Answer:

if volume of the gas increases, its pressure decreases, and vice versa. mathematically, if the volume of the gas is  

V

1

and its pressure is  

P

1

. Let us suppose that its volume has been increased to  

V

2

, the as per the Boyle's law its pressure will decrease and let us assume the new pressure is  

P

2

.

P

1

V

1

=

P

2

V

2

P

1

= 1 atm

V

1

= 196 L

P

2

= ?

V

2

= 26 L substitute the values;

1 atm x 196 L =  

P

2

x 26 L

P

2

= 1 atm x 196 L / 26 L

P

2

= 196 atm L / 26 L = 7.53 atm

Explanation:

I hope this helps.

Answer:

7.53 atm

Explanation:

Boyle studied the relationship between the pressure of a trapped gas and its volume. The data obtained by him shows that the product of pressure and volume for the trapped air sample is constant at a constant temperature.  if volume of the gas increases, its pressure decreases, and vice versa. mathematically, if the volume of the gas is  V 1  and its pressure is  P 1 . Let us suppose that its volume has been increased to  V 2 , the as per the Boyle's law its pressure will decrease and let us assume the new pressure is  P 2 .  P 1   V 1  = P 2 V 2  P 1  = 1 atm V 1  = 196 L P 2  = ? V 2 = 26 L substitute the values;  1 atm x 196 L =  P 2  x 26 L  P 2  = 1 atm x 196 L / 26 L  P 2  = 196 atm L / 26 L = 7.53 atm

Answer:

c

Explanation:

Answer:they were poisoned with powdered caffeine (C)

Explanation:

I just took the test! And got all the points for this question :) hoped I could help

Answer: There is no list in your question. But the three factors in which natural selection occurs are:

1. A struggle for existence,

2. Variation and

3. Inheritance

Explanation:

Darwin’s theory of natural selection is the way in which organisms change overtime.

These changes allow organisms to become better adapted to their environment and increase their chances for survival.

The three major factors through which natural selection occurs are:

1. A struggle for existence,

2. Variation and

3. Inheritance

Darwin’s theory of natural selection will occur if the three conditions above are met and unless these factors are in place, natural selection will not occur.

Answer:

The molal concentration of the solution is approximately 0.124 molal

Explanation:

The given parameters are;

The reduced freezing point of the water = -0.23°C

For freezing point depression of a solution, we have;

[tex]\Delta T_f[/tex] = [tex]K_f[/tex]· b·i

Where;

[tex]\Delta T_f[/tex] = The freezing point depression

[tex]K_f[/tex] = Cyroscopic constant (The freezing-point depression constant) = 1.86° Cm⁻¹ for water

b = The molality of the solution

i = van't Hoff factor = 1

Therefore;

[tex]\Delta T_f[/tex] = [tex]T^{\circ}_f - T_f[/tex]

Where;

[tex]T^{\circ}_f[/tex] = The freezing point of pure water = 0°C

[tex]T_f[/tex] = The freezing point of the solution = -0.23°C

∴ [tex]\Delta T_f[/tex] = [tex]T^{\circ}_f - T_f[/tex] = 0°C - (-0.23°C) = 0.23 °C

From, [tex]\Delta T_f[/tex] = [tex]K_f[/tex]· b·i, we have;

0.23°C = 1.86°C/m × b × 1

∴ b  = (0.23°C/1.86°C/m) ≈ 0.124 molal

Therefore, the molal concentration of the solution, b ≈ 0.124 molal.

Answer:

H2O+CO2--------> H2CO3

Answer:

Carbonic acid- H2CO3

Explanation:

Water+co2 gives H2CO3

H2CO3 is an acid, which Carbonic acid that is H2CO3 is a weak acid

It decomposes into CO2 and H2O

Answer:

Earthquakes are more intense the faster the planet's crust slams together, which explains why the shaking causes so much damage in some of the most populated areas around mountain chains. ... One reason for this connection is that when two plates come together quickly, the area over which an earthquake occurs is larger.Explanation:

Answer:i dkd

Explanation:

jsach

Answer:

Pizza, salad, tacos, burgers, etc.

Explanation:

:D

Answer:

Ammonium

Explanation:

ammonium is a compound because it has 2 elements

i think it is Substance C

Answer:

An exothermic reaction takes place in the food