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Answer:

The is less friction on an icy surface

Explanation:

This is because when u walk on plain ground there is steady friction on the surface but when u walk on an icy floor these is barely any friction which is why it's hard to walk on.

Answer:

There is less friction on an icy surface.

Hope that helps.

Explanation:

Answer:

Explanation:

CH4 has more ideal gas behavior than CCl4 due to its higher intermolecular interaction.

We must note that ideal gases have minimal interaction with each other. Hence, in deciding which gas has ideal gas behavior, we have to consider the gas that has the least degree of intermolecular interaction.

However, the both gases contain nonpolar molecules but CCl4 has a greater molecular mass and has more intermolecular interaction than CH4 hence CH4 has greater ideal gas behavior than CCl4.

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The amount of oxygen involved in the reaction would be 20.7 g

The equation of rusting of iron is as follows:

[tex]4Fe + 3O_2 ---> 2Fe_2O_3[/tex]

The mole ratio of Fe to O2 is 4:3.

Mole of 48.3 g Fe = mass/molar mass

                               = 48.3/56

                                = 0.8625 moles

Equivalent mole of O2 = 0.8625 x 3/4

                                       = 0.6469 moles

Mass of 0.6469 moles O2 = mole x molar mass

                                             = 0.6469 x 32

                                              = 20.7 g

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Answer:

15.63%

Explanation:

The formula of error percentage is:

([experimental value-real value]/real value)100%

You divide the subtraction of the absolute value of experimental value (the one you got during a experiment) and the one that's "proven" to be right by again, the proven value. You got a decimal and all you have to do is multiply it by 100%

Answer:

on acellus the answer is 16%

I hate acellus

Explanation:

Answer:

matter should be the answer

Explanation:

Hope this helps!

Answer:

matter because matter makes up everything in the world EVERYTHING like this computer ri am typing on? matter. what ever device you are using to view this? matter. everything is made of matter. matter is starting to sound weird now so I'm gonna stop saying it and this is the end of the answer remember THAT ANSWER IS MATTERR!!!!!

Answer:

Giant Covalent Structures, Diamond and Graphite are giant covalent structures since they're allotropes of Carbon.

Answer:

Giant covalent structures contain very many atoms. , each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved.

Answer:patrolieum

Explanation:

The formula of trinitrogen tetrabromide is N3Br4

Trinitrogen features three molecules of nitrogen, N3

Tetrabromide features four molecules of bromide = Br4

Thus, the formula of trinitrogen tetrabromide is N3Br4

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Answer:

gasese molecules are always in free state

Answer:

it's entertaining. Energy though is the answer

Explanation:

Because the place on the map can be changed to another shape by natural effects like faulting,folding , volcanism

Answer:

Maps must change over time as the geographical structures change from time o time. The roads and highways also change often due to the development activities .

Answer:

Explanation:

Exothermic: the surrounds feel warmer. A wood fire stove is a good example of an exothermic reaction. You can feel the heat on your hands. It's exothermic.

Endothermic is exactly the opposite. The reaction takes place, but the heat comes from the surroundings. When you touch something that goes through an endothermic reaction, it feels much cooler.

This reaction, just by definition is endothermic.

Answer:

Fatty Acids

A lipid is an organic compound such as fat or oil. Organisms use lipids to store energy, but lipids have other important roles as well. Lipids consist of repeating units called fatty acids. Fatty acids are organic compounds that have the general formula CH3(CH2)nCOOH" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 17.6px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">CH3(CH2)nCOOHCH3(CH2)nCOOH, where n" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 17.6px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">nn usually ranges from 2 to 28 and is always an even number. There are two types of fatty acids: saturated fatty acids and unsaturated fatty acids.

Saturated Fatty Acids

In saturated fatty acids, carbon atoms are bonded to as many hydrogen atoms as possible. This causes the molecules to form straight chains, as shown in the figure below. The straight chains can be packed together very tightly, allowing them to store energy in a compact form. This explains why saturated fatty acids are solids at room temperature. Animals use saturated fatty acids to store energy.

Figure 14.2.1" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 16px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">14.2.114.2.1: Structures of saturated and unsaturated fatty acids.

Unsaturated Fatty Acids

In unsaturated fatty acids, some carbon atoms are not bonded to as many hydrogen atoms as possible due to the presence of one or more double bonds in the carbon chain. Instead, they are bonded to other groups of atoms. Wherever carbon binds with these other groups of atoms, it causes chains to bend (see figure above). The bent chains cannot be packed together very tightly, so unsaturated fatty acids are liquids at room temperature. Plants use unsaturated fatty acids to store energy.

Figure 14.2.2" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 16px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">14.2.214.2.2: Saturated fatty acids have only single bonds while monounsaturated fats have one double bond and polyunsaturated fats have more than one double bond.

Lipids and Diet

Unsaturated fat is generally considered to be healthier because it contains fewer calories than an equivalent amount of saturated fat. Additionally, high consumption of saturated fats is linked to an increased risk of cardiovascular disease. Some examples of foods with high concentrations of saturated fats include butter, cheese, lard, and some fatty meats. Foods with higher concentrations of unsaturated fats include nuts, avocado, and vegetable oils such as canola oil and olive oil.

Fructose is a simple carbohydrate sugar, while triglycerides are the lipids or the fats of the body. Thus, option C is accurate.

Triglycerides are lipids of the body that are formed of fatty acids and glycerols. It makes the body fat of the animals and of the plants. They are stored in cells for future use and provide energy when needed.

Fructose is a monomer that is the simplest carbohydrate sugar and is generally found in sugarcane, honey, watermelon, grapes, apples, etc.

Therefore, option C. fructose is sugar and triglyceride is fat is correct.

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Answer:

10.C

11.B

15.A

Explanation:

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The Rutherford model shows that an atom is mostly empty space, with electrons orbiting a fixed, positively charged nucleus in set, predictable paths.

Answer:

The process is to divide the molecules by Avogadro's number (6.02 x 10^23) to get the moles. And since it's specified at STP (standard temperature and pressure) we know that the molar volume would be 22.4L. So we can just multiply the moles by the molar volume in order to get the volume of H2S.

(2.18 x 10^24) / (6.02 x 10^23) = 3.62 moles (rounded)

Now just multiply the moles by the molar volume of STP, 22.4.

3.62 x 22.4 = 81 Liters (rounded) of H2S

[tex]\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]

[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{6.93}{63.5}[/tex]

[tex]\\ \sf\longmapsto No\:of\:moles=0.109\approx 1.11moles[/tex]

Answer:

number one is the correct option

The shielding effect of bromine is greater than chlorine because there are more filled orbitals than in chlorine.

This is the process where by electrons are protected by the pull attraction of the nucleus with the use of electron shells. The shielding effect increases down the group of the periodic table and increases across the period. This is because when you move down the group, there's an increase in the number of shell by 1 and it helps to reduce the effect of nuclear attraction on the electrons. However when you move across the period, there's an increase in the numbers of electron with the same shielding electrons from group 1(a) across the period to group 7(a).

Shielding effect is primarily dependent on the numbers of electrons in the inner shells as well as the type orbitals.

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Answer:

Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons).

Answer:

Helium

Explanation:

One electron shell is shown in the model of Helium drawn by Bohr, and it has two electrons inside of it. The atomic number of helium is 2, so the number of protons and electrons that can be used to make its Bohr diagram is the same as its number.

Answer:

Atoms of these elements have full outer electron shells. These atoms are stable and very rarely form bonds with other atoms. If the electronegativity values between two atoms are comparable, they may still form chemical bonds to increase the stability of their valence electron shell

Explanation:

Answer:

its called Toxoplasmosis.

Explanation:

Cats become infected by Toxoplasma gondii by ingesting the cysts of this parasite. Most often, this occurs when cats eat mice or rats infected with the parasite. However, they can also ingest it during grooming after coming in contact with infected soil or feces.

hope it helped ;)

Answer:

1.0079 g/mol

Explanation:

99.989% / 100% = 0.99989 hydrigen-1 , 0.0115% / 100% = 0.000115 hydrogen-2

0.99989 x 1.0078 = 1.0077 ,  0.000115 x 2.0141= 0.000232

1.0077 + 0.00023

Answer: 1.0079

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[tex] \huge \color{darkblue}P₂S_{5}[/tex]

Answer:

P2S5

Explanation:

Given a sample of three unknown solids, we would be able to deduce which are ionic solids by their melting and boiling points, conductivity in water, and the insulation they provide.

Therefore, we can find the ionic solids amongst the samples by testing their melting and boiling points, conductivity in water, and the insulation they provide, given that each of these should provide high values to indicate an ionic solid.

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A plant without enough space to grow may be impacted by inadequate air as well as light for proper growth.

The competition for space in the tropical rainforest has impacts on two processes:

Light is very important for photosynthesis and the overall well-being of plants. In a tight space, light and air become limited. This means that plants growing in such a space will not be able to photosynthesize optimally.

Plant roots need air to function properly and when becomes inadequate, the entire plant becomes negatively impacted.

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Answer:

Examples of physical change include changes in the size or shape of matter. Changes of state, for example, from solid to liquid or from liquid to gas, are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting.

Explanation:

I hope this helps