Please what the element it is

Answer:

it would explode

Explanation:

dont put that as an answer i need point for finals

Answer:

Ans:

*Carbohydrates

*Proteins

*Cholesterol

Explanation:

The plasma membrane is a structure that has several distinct roles in the cell

The plasma membrane is mainly composed of the phospholipid Bilayer, which is a layer of two sheets located in the internal and external parts. The Phospholipids are said to be Amphipathic because they have both properties of Hydrophobic and hydrophilic

*The Carbohydrate Molecules attach to the Plasma Membrane such as to the lipids and Proteins:

when They attach to the Proteins, they are known as glycoproteins, and they help in cell recognition, when they attach to the lipids, they are known as Glycolipids

*Protein Molecules play an important role in transport system such as Carrier Proteins

*Cholesterol Molecules help in balancing the Fluidity of the plasma membrane

hope this was of use

Using the solubility product of the saturated solution, the mass of BaF2 dissolved is 0.083 g.

The equation of the reaction is obtained from;

BaF2(s) ⇄ Ba^+(aq) + F^-(aq)

The concentration of the substance can be obtained from the Ksp as follows;

Ksp = [Ba^2+] [2F^-]^2

Ksp = 4x^3

x = ∛Ksp/4

x = ∛ 1.00 x 10-6/4

x = 6.3  x 10^-3 M

Given that;

mass/molar mass = concentration x  volume

molar mass  = 175 g/mol

concentration  = 6.3  x 10^-3 M

volume = 75.0 ml or 0.075 L

Mass = ?

Mass  = concentration x  volume x molar mass

Mass  = 6.3  x 10^-3 M x  0.075 L x   175 g/mol

Mass = 0.083 g

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Answer:

It's c

Explanation:

Because I've checked

Answer:

atributes  of nonrenewable recources are things you cant re use after 1 use like gas

Explanation:

Answer: the answer is b. Are unlimited

Explanation:

Answer:

Dimitri mendleev and Albert something. I forgot his last name. I think ghorso. Albert ghorso.

When the valve is opened, oxygen and hydrogen molecules will mix because of random movement of their molecules.

Diffusion involves the movement of gas molecules from one region where they are in higher concentration to another region where they are in lower concentration.

When the valve is opened, oxygen and hydrogen molecules will mix because of random movement of their molecules.

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Answer:

Oxygen and hydrogen molecules will mix because of random movement of their molecules.

Explanation:

After your body has used all the energy it needs, leftover glucose is stored in the liver and muscles. We can store enough fuel for about a day, if you haven't eaten in a while, your blood glucose level drops. :)

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Answer:

Quantum number

Explanation:

Answer:

1/2 cup evaporated milk plus 1/2 cup water.

Explanation:

Answer:

Liquids

Explanation:

They have a certain volume but they take the shape of their container

87 picograms are equivalent to [tex]8.7\times 10^{-11}[/tex] grams.

This is a unit problem, in which a derived unit must translated into a fundamental unit. A picogram is a equivalent to a trillionth of a gram, which is the fundamental SI mass unit. Mathematically speaking, we have the following equivalence:

[tex]1\,pg = 1\times 10^{-12}\,g[/tex]

Now we proceed to find the equivalent value for this case:

[tex]87\,pg[/tex]

[tex]87\times 10^{-12}\,g[/tex]

[tex]8.7\times 10^{-11}\,g[/tex]

87 picograms are equivalent to [tex]8.7\times 10^{-11}[/tex] grams.

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The answer would be B.

When glucose reacts with oxygen, it forms an ATP that is used by the given cell. Co2 and h2O are the byproducts.

The mass of water decomposed to produce 50 g oxygen has been 56.28 g. Thus, option D is correct.

The reaction for the decomposition of water has been:

[tex]\rm 2\;H_2O\;\rightarrow\;H_2\;+\;O_2[/tex]

From the balanced equation, 2 moles of water decomposes to form 1 moles of hydrogen and 1 mole of oxygen.

The mass of oxygen produced has been 50 g. The moles of oxygen has been given by:

[tex]\rm Moles=\dfrac{mass}{molar\;mass}[/tex]

The moles of oxygen has been:

[tex]\rm Moles_O_2=\dfrac{50}{32}\;mol\\Moles_O_2=1.5625\;mol[/tex]

The moles of oxygen produced has been 1.5625 mol.

The moles of hydrogen decomposed has been given from the balanced chemical equation as:

[tex]\rm 1 \;mole\;O_2=2\;mole\;H_2O\\1.5625\;mol\;O_2=1.5625\;\times\;2\;mol\;H_2O\\1.5625\;mol\;O_2=3.125\;mol\;H_2O[/tex]

The moles of hydrogen decomposes has been 3.125 mol.

The mass of hydrogen decomposed has been given by:

[tex]\rm Mass=moles\;times\;molar\;mass\\Mass_{H_2O}=3.125\;\times\;18.01\;g\\Mass_{H_2O}=56.28\;g[/tex]

The mass of water decomposed to produce 50 g oxygen has been 56.28 g. Thus, option D is correct.

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Explanation:

getting the empirical formula

For carbon

3.01/12 = 0.2508

For oxygen

4/16 = 0.25

For Cl

17.81/35.5= 0.501

0.2508 ÷ 0.25 = 1.0032

0.25 ÷ 0.25 = 1

0.501 ÷ 0.25 = 2.004

Empirical formula of the compound = CCl20

Molar mass = (1×12) + (2×35.5) + (1×16)

= 12 + 71 + 16

= 99g/mol

percentage composition= 24.81/99 × 100

= 25.06%

A 24.81-g sample of a gaseous compound containing only carbon, oxygen, and chlorine is determined to contain 3.01 g C, 4.00 g O, and 17.81 g Cl. the compound's percent composition is  25.06%.

The impure form of carbon is Amorphous which is used for the manufacture of car batteries and dry cells, ink and paints; So the majority element of carbon is present in charcoal, so these are used as fuel.

Graphite is derivative form of carbon used as a lubricant in heavy industrial machinery, making pencil leads, these carbon are used in the production of steel.

The empirical formula, For carbon 3.01/12 = 0.2508

For oxygen 4/16 = 0.25, For Cl 17.81/35.5= 0.501, 0.2508 ÷ 0.25 = 1.0032

0.25 ÷ 0.25 = 1

0.501 ÷ 0.25 = 2.004

Empirical formula of the compound = CCl20

Then the Molar mass = (1×12) + (2×35.5) + (1×16)

= 12 + 71 + 16

= 99g/mol

percentage composition= 24.81/99 × 100

= 25.06%

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Answer:

Thermal energy typically flows from a warmer material to a cooler material.

Explanation:

Answer:

number one is the correct option

To keep burning, fires require oxygen. Carbon dioxide is used in certain fire extinguishers to put out flames. Explanation: Because magnesium is higher on the reactivity scale than carbon, it is more reactive and eliminates oxygen from carbon dioxide (to give carbon and magnesium oxide).

An alternative method by which we can overcome this global issue is by harnessing Solar energy.

Discussion:

Fossil fuels cause environmental pollution. This is because they are organic compounds and on combustion, they release air pollutants such as, Carbon monoxide.

As a panacea, the use of solar panels for harnessing Solar energy in a bid to replace energy from fossil fuels will prove to be am effective method by which we can overcome the global issue of pollution caused by burning of fossil fuels.

Solar energy is a clean source of energy as there's no release of harmful air pollutants.

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Alternative method by which we can overcome this global issue is by

harnessing energy with less form of pollution. These include:

Fossil fuel burning releases greenhouse gases such as Carbon dioxide,

nitrous oxide etc which causes pollution to the atmosphere.

It is best to adopt alternative methods mentioned above to ensure pollution

is reduced to the barest minimum. This helps to prevent ozone depletion and

global warming. It also reduces risks of respiratory diseases due to the

inhalation of the gases.

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Answer:

This is a reflector telescope and  in which it captures different wavelengths of light and it hits one mirror, bounces back and hits another and then is shown through the eyepiece. It captures all of the visible spectrum and some areas above and below it. These telescopes are better for seeing big picture and not the fine details in planets surfaces.

Hope this helps!

Explanation:

Answer:

This is a reflector telescope and  in which it captures different wavelengths of light and it hits one mirror, bounces back and hits another and then is shown through the eyepiece. It captures all of the visible spectrum and some areas above and below it. These telescopes are better for seeing big picture and not the fine details in planets surfaces.

Hope this helps!

Explanation:

Explanation:

1L is 1.3 g so 600L is 780 g

1kg= 1000g so

780 g = 0.78kg

I GUESS

Mass in kilograms of liquid air required = 0.78 kg

Given that

1 Litre of liquid air contains 1.3 grams of oxygen ( air )

Determine the amount of liquid air in Kg

volume of air given = 600 L

mass of liquid air required = x

1 litre = 1.3 grams

600 L =  x

∴ x ( mass of liquid air ) = 1.3 * 600

                                       = 780 g  = 0.78 kg

Hence we can conclude that Mass in kilograms of liquid air required = 0.78 kg

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Answer:

Chemistry is the branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change, and the energy that is released or absorbed when they change.

Answer:

Well my  teacher said a more complex way he said chemistry is the science that deals with the properties, composition, and structure of substances.

Explanation:

Answer:

A reactant is a substance that is present at the start of a chemical reaction. A product is a substance that is present at the end of a chemical reaction.

Explanation:

Answer: a mercury thermometer is better to measure very small changes in temperature

Explanation:

i took the test and got it right

Answer:

the answer is C, a mercury thermometer is better to measure very small changes in temperature.

Explanation:

i just took the test and it was correct :)