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Answer:

give more details

Explanation:

Answer:

A. It secretes hormones that regulate blood sugar levels.

Explanation:

The pancreas is the organ that helps in the process of digestion of the food. The location of the pancreas is in the abdomen. It helps in the process of digestion of the food and regulating the blood sugar level in the body. It helps in regulating and controlling the glucose level in the body during the process of digestion. Pancreas produces enzymes that are useful in the process of digestion.

Answer:

A

Explanation:

Answer:

Major periodic trends include: electronegativity, ionization energy, electron affinity, atomic radius, melting point, and metallic character.

Explanation:

These six are the major trends.

Answer: The final pressure is 75 mm Hg.

Explanation:

According to Boyle's law, at constant temperature the pressure of a gas in inversely proportional to volume.

Since, it is given that the temperature is constant. Hence, formula used is as follows.

[tex]P_{1}V_{1} = P_{2}V_{2}[/tex]

Substitute the values into above formula as follows.

[tex]P_{1}V_{1} = P_{2}V_{2}\\750 mm Hg \times 2 L = P_{2} \times 20 L\\P_{2} = \frac{750 mm Hg \times 2 L}{20 L}\\= 75 mm Hg[/tex]

Thus, we can conclude that the final pressure is 75 mm Hg.

Answer:

moles =60.05/12

moles=5.0041

moles=5(approx)

Answer:

True; When one side of a molecule is electronegative (δ-) and the other side of the

molecule is electropositive (δ+), it is said to have a dipole moment.

Explanation:

A dipole moment exists in a molecule as a result of differences in the electronegativity values between the atoms of the elements involved in the chemical bonding.

When a strogly electronegative atom such as oxygen or chlorine is chemically bonded to a less electronegative or an electropositive atom such as hydrogen, there is an uneven sharing of the electrons involved in the bonding. The more electronegative atoms tends to draw the shared electrons mostly to themselves. This induces a partially negative charge (δ-) on them while leaving the electropositive atoms with a partially positive charge (δ+).

Water is an example of a molecule having a dipole moment. The oxygen atoms are more electronegative than hydrogen and as such draw the shared electrons to themselves more, inducing a partial positive charge (δ+) on the hydrogen atoms while they themselves develop a partial negative charge (δ-).

Answer:

6.00%

Explanation:

Step 1: Given data

Accepted value for the number of calories in a Bananas Foster: 300 calories

Measured value for the number of calories in a Bananas Foster: 318 calories

Step 2: Calculate the percent error in the measure

We will use the following expression.

%error = |accepted value - experimental value|/ accepted value × 100%

%error = |300 cal - 318 cal|/ 300 cal × 100% = 6.00%

Answer:

nuclear wastes can be safely disposed of

Explanation:

In comparing fossil fuel power plants with nuclear power plants, it is obvious that fossil fuel power plants lead to a large volume of emission of oxides of carbon and sulphur.

Also, a larger volume of coal needs to be burnt to generate energy compared to a minute amount of uranium fuel that can sustain a nuclear power plant for a long period of time thereby reducing the environmental damage associated with mining of the fuel.

However, the problem of nuclear waste disposal have remained a thorn in the flesh. It is often difficult to safely dispose of spent uranium fuel. This is a major disadvantage of the use of nuclear power.

Answer:

New volume = 2.03 L

Explanation:

Given that

Initial temperature, T₁ = 25°C = 298 K

Initial volume, V₁ = 2L

Final temperature, T₂ = 30°C = 303 K

We need to find the final volume. The mathematical form of Charle's law is given by :

[tex]\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}\\\\V_2=\dfrac{V_1T_2}{T_1}[/tex]

Put all the values,

[tex]V_2=\dfrac{2\times 303}{298}\\\\V_2=2.03\ L[/tex]

so, the new volume is equal to 2.03 L.

Answer:

Due to the iron inside the earth.

Explanation:

Imagine a sphere of Iron, as big as two-third the size of the moon and as hot as 5700 Kelvin. That is the Earth’s core.

The iron core isn't in its liquid form even at that temperature because it is crushed under immense gravity. This core is surrounded by 2000 km of other metals like iron and nickel which are in their molten state.

The temperature is not the same at every point in this molten layer. The hotter and less dense matter rises up, and the warm denser matter sinks. This causes convectional currents in the interior of the Earth.

Because of the Earth’s spin, there is a force that is established called the Coriolis force which causes swirling whirlpools here too.

This flow of molten metals produces electric currents which generate self-sustaining magnetic fields. And as a result of the Coriolis force, all these combined effects add up to produce one big magnetic field engulfing the Earth aligned in one direction.

Answer:

Helium has the most number of mol out of all the options and will thus have the highest number of atoms.

Explanation:

Answer:

not sure hope you have a good day

If the molar heat of vaporization for water is 40.7 kJ/mol. -40.7 kJ/mol is the molar heat of condensation.

Condensation, which is the opposite of vaporization, is the transformation of matter from its gaseous state into its liquid state. The water cycle is the most frequent use of the phrase. Another way to describe it is as the transformation of water vapor into liquid water when it comes into touch with a solid, liquid, or cloud condensation nucleus in the atmosphere.

Deposition is the term for the change that occurs when the gaseous phase directly transitions into the solid phase. Condensation is started when atomic or molecule clusters of such a species form within their gaseous volume, similar to how raindrops or snowflakes form within clouds, or when their gaseous phase comes into contact with a liquid and solid surface.

molar heat of vaporization = 40.7 kJ/mol

molar heat of condensation = -40.7 kJ/mol

Therefore, if the molar heat of vaporization for water is 40.7 kJ/mol. -40.7 kJ/mol is the molar heat of condensation.

To know more about condensation, here:

https://brainly.com/question/5500097

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Answer: about one month

Explanation:

Explanation:

Description. Regardless of the type of hydrocarbon, combustion with oxygen produces 3 products: carbon dioxide, water and heat, as shown in the general reaction below.

Answer:

THERE ANSWER IS C

Explanation:

Answer:

A

Explanation:

edge21

Explanation:

a) 3Pb(NO3)2 + Al2(SO4)3 ---> 3PbSO4 + 2Al(NO3)3

Double displacement

b) 2Cl2 + 3O2 ---> 2Cl2O3

Synthesis

c) 2Fe2O3 + 3C ---> 4Fe + 3CO2

single displacement

Answer: 47.5

Explanation:

Answer: 47.5 is your answer

Explanation:

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Explanation:

boyles law; P1V1=P2V2

302×10=1510×V2

V2=2L

Answer:

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements

Explanation:

Elements are the simplest complete chemical substances. Each element corresponds to a single entry on the periodic table. An element is a material that consists of a single type of atom. Each atom type contains the same number of protons.

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Answer:

potassium carbonate

Explanation:

Let us consider the equilibrium for the dissociation of copper I carbonate;

Cu2CO3(s)------>2Cu^+(aq) + CO3^2-(aq)

Now we need to add a substance that has a common ion with the solute. The addition of this substance will decrease the solubility of the solute thereby increasing the concentration of the promote the precipitation of copper(I) carbonate precipitate in the system.

Hence, addition of potassium carbonate  promotes the precipitation of copper(I) carbonate.

Answer:

75300g ..........................

Answer:

C

Explanation:

sorry if im wrong!!

Answer:

a

Explanation:

Answer:

Combustion

Explanation:

Answer:

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Answer:

Decreases.............

Answer:

kinetic energy of the particles decreases

Explanation:

just remember, cold = decrease and hot = increase