The atomic number equals:
O The number of protons and the number of neutrons.
O The number of protons and the number of electrons.
The number of electrons and the number of neutrons.
O The number of protons plus the number of neutrons.

When water is lost, but electrolytes are retained, the first thing that happens is that moves water from the ICF to the ECF.

The fluid inside of cells, also called the cytoplasm or cytosol, makes up about 60% of the water in the human body, totaling about 7 gallons. Organelles like the nucleus, endoplasmic reticulum, mitochondria, lysosomes, and Golgi apparatus are suspended in and supported by the ICF. Also found in the ICF are cellular building blocks like sugars, proteins, carbohydrates, and lipids.

ECFs are any body fluids that are not inside cells. The two main components of ECF are plasma and interstitial fluid (IF). The balance consists of cerebrospinal fluid, lymph, the synovial fluid in the joints, pleural fluid in the pleural cavities (lungs), pericardial fluid around the heart, peritoneal fluid in the peritoneal cavity (abdomen), and the aqueous humor of the eye. In mammals, milk is also considered an extracellular fluid.

The ICF has higher amounts of potassium, phosphate, magnesium, and protein compared to the ECF. The plasma has high concentrations of sodium, chloride, and bicarbonate, but lower levels of protein as compared to the ICF. While water moves passively via osmosis, sodium and potassium ions move in and out of cells using active transport ion pumps. The pumps are powered by adenosine triphosphate (ATP) to provide the energy to move the ions against their concentration gradients (i.e. sodium moves out of the cell and potassium is pumped in) and maintain the gradients inside and outside the cell.

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Answer:

Exothermic

Explanation:

The equation of the reaction is given as;

H₂O(vapour) --> H₂O(liquid)

The equation above represents a condensation process. Water vapour condenses to liquid.

Condensation involves loss of energy as heat. The equation can be modifies as;

H₂O(vapour) --> H₂O(liquid) + Heat

Due to the loss of heat, condensation is regarded mas an exotheric process.

Answer:

Sodium chloride is an ionic compound which makes it stronger and have a higher melting and boiling point. Candle wax is a covalent compound so it has a low melting point.

Explanation:

Answer:

all cells come from other cells

Given data:H2O vapor content: 13 gramsH2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10∘C52 grams at 30∘CFormula used to find the dew point:$$\dfrac{13}{52}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$\frac{1}{4}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$

Where A is the constantDew Point:It is the temperature at which air becomes saturated with water vapor when the temperature drops to a point where dew, frost or ice forms. To solve this question, substitute the given data into the formula.$$13/52=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$13(17.27-A)=3\pi A(ln100)$$By simplifying the above expression, we get$$A^2-17.27A+64.78=0$$Using the quadratic formula, we get$$A=9.9,7.4$$

The dew point is 7.4 since it is less than 10°C.More than 100:The term "More than 100" has not been used in the question provided.

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To produce 2,4-dimethylhexan-2-ol, the starting alkene required is 2,4-dimethylhex-2-ene. The reaction proceeds through an acid-catalyzed hydration process, resulting in the formation of 2,4-dimethylhexan-2-ol.

The synthesis of 2,4-dimethylhexan-2-ol involves the addition of water to an alkene, which is an example of an acid-catalyzed hydration reaction. In this case, the starting alkene is 2,4-dimethylhex-2-ene, which has a double bond between the second and third carbon atoms in the carbon chain.

The reaction is typically carried out in the presence of a catalyst, such as sulfuric acid (H2SO4). The sulfuric acid acts as a catalyst by providing protons (H+) to initiate the reaction. The protonation of the double bond in the alkene creates a carbocation intermediate.

Next, water (H2O) is added to the carbocation, resulting in the formation of an oxonium ion. The oxonium ion is then deprotonated, leading to the formation of the alcohol product, 2,4-dimethylhexan-2-ol. The presence of the two methyl groups in the product indicates the regioselectivity of the reaction, with the water molecule adding to the carbon atom that has fewer substituents.

Overall, the reaction of 2,4-dimethylhex-2-ene with H2O and an H2SO4 catalyst leads to the production of 2,4-dimethylhexan-2-ol through an acid-catalyzed hydration process.

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2 moles of ammonia and 2.5 moles of oxygen gas will produce 2 moles of nitric oxide and 3 moles of water.

The reaction between ammonia (NH3) and oxygen gas (O2) to produce nitric oxide (NO) and water (H2O) is shown below:4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)The balanced equation shows that 4 moles of ammonia react with 5 moles of oxygen gas to produce 4 moles of nitric oxide and 6 moles of water. To determine the amount of products formed when a certain amount of reactants is used, we need to use stoichiometry.Suppose we react 2 moles of ammonia with 2.5 moles of oxygen gas. From the balanced equation, we can see that the ratio of moles of ammonia to moles of oxygen gas is 4:5. Therefore, ammonia is the limiting reagent because only 2 moles of ammonia are available, which is not enough to react with 2.5 moles of oxygen gas.To determine the amount of products formed, we will use the mole ratio from the balanced equation:4 moles NH3 : 5 moles O2 : 4 moles NO : 6 moles H2O2 moles NH3 is equivalent to (5/4) × 2 moles O2 = 2.5 moles O2So, 2 moles NH3 + 2.5 moles O2 → 2 moles NO + 3 moles H2O.The number of significant digits in the answer will depend on the number of significant digits in the given amounts of reactants.

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As we know, Number of protons = Atomic Number

So,

And, Atomic mass = Number of protons + Number of Neutrons (N)

therefore ~

Number of Neutrons = 19

Explanation:

Oxygen-16 and oxygen-18 differ in structure only in that oxygen-18 has two more neutrons in its nucleus than oxygen-16 has.

There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O. Radioactive isotopes ranging from 11O to 26O have also been characterized, all short-lived.

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Gasoline blending in petroleum refineries involves analyzing the properties of different components and determining the optimal mixing ratios to produce gasoline that meets specific octane rating and quality requirements.

Gasoline blending is a critical process in petroleum refineries where different components are combined to produce the desired gasoline product. In this example, the challenge is to blend gasoline from three different components.

To solve the gasoline blending problem, various factors need to be considered such as the desired octane rating, volatility, and environmental regulations. The first step is to determine the optimal proportion of each component based on their individual characteristics. This involves analyzing the properties of each component, such as its research octane number (RON), motor octane number (MON), and vapor pressure.

The second step is to develop a blending strategy that achieves the desired gasoline specifications. This involves determining the appropriate mixing ratios of the three components to meet the target octane rating and other quality requirements. The blending process requires precise calculations and adjustments to ensure the final gasoline product meets the desired specifications.

Additionally, economic considerations play a role in gasoline blending. The cost of each component and the market demand for specific gasoline grades can influence the blending decisions. Refineries aim to optimize the blend to minimize costs while meeting quality standards.

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Answer:

Instead, the following essential substances are also a component of biogeochemical cycles and keep our bodies functioning: All organic macromolecules contain carbon, which is also a crucial component of fossil fuels. For further information, see the carbon cycle article.

Explanation:

Hope this helps!

Answer:

Multicellular organisms have cells that are organized in specific ways to perform specialized functions. From the most complex level to the simplest level, the five levels of organization for the sheep should be ordered as:

whole organism → organ system → organ → tissue→ cell

Explanation:

Answer: A is better trust me I qualified my sats

Explanation:

Answer:

Bakelite is made from the reaction between formaldehyde and phenolic materials at high temperatures. Bakelite is used for wire insulation, break pads and other automotive parts, and other electronics components.

Answer: Matter

Explanation:

Matter is anything that has volume and/or mass.

Answer: A The Triangle Fire was a tragedy that could have been prevented.

Explanation:

The Triangle Fire was a tragedy that happened in the factory of Shirtwaist Company in New York City where there was.a.fore outbreak and about 145 employees of the company were killed.

The deaths could have been prevented because the company neglected safety measures such as having a good and reliable pump system, having readily available fire extinguishers. Also, what resulted in the lethal nature of the incident was because the doors within the building of the factory were locked.

The tragedy generated lots of attention and series of laws were been out in place in order to ensure that workers are safe at their workplace.

The p-value for this test is 0.0163.

To calculate the p-value, we need to find the area under the standard normal distribution curve to the right of the observed z-value of 2.13. Using a standard normal distribution table or calculator, we can find that the area to the right of 2.13 is 0.0163.

This is the probability of obtaining a z-value as extreme or more extreme than 2.13, assuming the null hypothesis is true. Since the p-value is less than the significance level of 0.05, we reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis.

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You need 0.25 grams of magnesium phosphate to make 250 mL of a 0.10% (m/v) solution.

To calculate the grams of solute required to make 250 mL of 0.10% magnesium phosphate (m/v), you'll first need to determine the mass of the solute in the solution.

1. Convert the percentage to a decimal: 0.10% = 0.0010.
2. Multiply the decimal by the volume of the solution: 0.0010 x 250 mL = 0.25 grams.
3. The result, 0.25 grams, is the mass of magnesium phosphate needed to make 250 mL of a 0.10% (m/v) solution.

In summary, to make a 250 mL solution with a 0.10% (m/v) concentration of magnesium phosphate, you will need to dissolve 0.25 grams of the solute in the solvent.

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Answer:

A

Explanation:

Answer:

The answer is D. None of the light is refracted or reflected.

Explanation:

Just trust :)

Answer:

Five Types of Introductions.

“Inquisitive” Explain why your subject is important, curious, or interesting.

“Paradoxical” Explain what aspects of your subject seem improbable. ...

“Corrective” Explain how your subject has been misunderstood or misrepresented by others. ...

Answer:

I think its D sorry if im wrong

Answer:i think its D

Explanation:

Answer: Vinegar

Explanation:

The vinegar and salt affects the shell because food coloring does not affect anything besides the color so the viniger has substances which dissolves thing and the salt just made the vinegar a stronger substance. The Vinegar reactes to form a compund on the shell.

We can see here that organizing the information, we have:

Order from the Sun:

Atmosphere: Jupiter and Saturn have thick atmospheres composed mainly of hydrogen and helium, while Uranus and Neptune have thick atmospheres containing methane.

Moons: Jupiter has 79 moons, Saturn has 82 moons, Uranus has 27 moons, Neptune has 14 moons, Pluto has 1 moon (Charon).

A planet is a celestial body that orbits around a star, is spherical in shape, and has cleared its orbit of other debris. To be considered a planet, the object must be massive enough for its own gravity to pull it into a roughly spherical shape and it must dominate its orbit, meaning it has cleared its orbit of other debris.

In our solar system, there are eight officially recognized planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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Answer:

repulsion

Explanation:

Answer:

Explanation:

In contrast to the attractive force between two objects with opposite charges, two objects that are of like charge will repel each other. ... Similarly, a negatively charged object will exert a repulsive force upon a second negatively charged object. Objects with like charge repel each other.

The molar mass of the compound is 128.4 g/mol.

The empirical formula is an empirical formula that represents the lowest whole-number ratio of the atoms present in a compound. The empirical formula for the molecular compound is calculated using the percentage composition of the elements present in the compound. The steps used to find the empirical formula are as follows:

Find the mass of each element present in the compound.Convert each mass to moles.Divide each mole value by the smallest number of moles.Round to the nearest whole number and write the subscripts.The molar mass is the mass of a substance that contains 6.02 × 10²³ atoms or molecules. To calculate the molar mass of a compound, add the masses of all the atoms present in the compound.

C=0.707g,12.01 g/mol=0.0588 molCnH=0.2372 =1.01g/m=0.235 mol H

nH=4nC

The empirical formula of the compound is CH4. The molar mass of the compound can be calculated using the empirical formula.

M=12.01 g/mol+4(1.01 g/mol)=16.05 g/mol

The molar mass of the compound is 8 times the empirical mass, so the actual molar mass is;

M=8(16.05{g/mol})=128.4g/mol. The molar mass of the compound is 128.4 g/mol.

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1. If you change the surface area of an alka-seltzer tablet, then the reaction rate will be fastest for the whole tablet of alka-seltzer.

2. If you change the temperature of water, then the reaction rate will be fastest for the tablet of alka-seltzer in the hot water.

3. If you change the volume of water, then the reaction rate will be fastest for the tablet of alka-seltzer in the least amount of water.

1. Changing the surface area of an alka-seltzer tablet will result to a faster reaction rate. This is because the greater the surface area, the more contact the tablet will have with the water, and therefore, the faster the reaction will occur.

2. This is because increasing the temperature of the water increases the kinetic energy of the molecules, which in turn increases the speed of the reaction.

3. This is because the less water there is, the more concentrated the solution is, which allows for more contact between the tablet and the water, resulting in a faster reaction.

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Answer:

See explanation

Explanation:

In looking at molecules to determine whether they are polar or not we have to look at two things basically;

i) presence of polar bonds

ii) geometry of the molecule

Now, we know that CCI2F2 is a tetrahedral molecule, but the molecule is not symmetrical. It has four polar bonds that are not all the same hence the molecule is polar.

In an electric field, polar molecules orient themselves in such a way that  the positive ends of the molecule are being attracted to the negative plate while the negative ends of the molecules are attracted to the positive plate.

So the positive ends of CCI2F2  are oriented towards the negative plate of the field while the negative ends of CCI2F2 are oriented towards the positive ends of the field.