Which element in period 6 would have chemical properties similar to nitrogen? *

Answer:

the answer is A

Explanation:The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons.

Answer:

c

Explanation:

Answer:

I think ur answer would be C.)

Explanation:

hope this helps <3

Answer:

Cell Wall

Explanation:

In plant cells, the cell wall is rigid the outer structure that protects the plant cell.

Answer: A dilation with rule: [tex](x,y)\to(\dfrac12x,\dfrac12y)[/tex]

Explanation:

A dilation is a non-rigid transformation that creates an image that is the same shape as the original but has a different size.

It uses a scale factor k such that

[tex](x,y)\to(kx,ky)[/tex]

(x,y)= coordinates of original figure

(kx,ky) = corresponding coordinate in the image.

To transform: A (3,-4) onto point A' (1.5,-2).

Using scale factor k= [tex]\dfrac12[/tex], we have

[tex]A(3,-4)\to A'(\dfrac12\times3, \dfrac12\times-4)=A'(1.5,-2)[/tex]

Required rule: [tex](x,y)\to(\dfrac12x,\dfrac12y)[/tex]

Explanation:

this are answers

Answer:Snow in the atmosphere. Once snow crystals form in the atmosphere, they grow by absorbing surrounding water droplets. The snowflakes we end up seeing on the ground are an accumulation of these ice crystals.

Explanation:

Answer: Snow is defined as wet if there's a presence of water. within the context of snow formation, "dry" and "wet" don't seem to be used literally. Instead, they're wont to provide a distinction supported how each kind of snow is created and therefore the resulting property of either type. When the snowflakes are formed within the atmosphere, gravity takes over.  Explanation: Because there were no statements I had to show the definition instead I hope this helped you to find your answer

Answer:

The answer is 1.5 atm

Explanation:

Answer:

44.8 g

Explanation:

Density = mass / Volume

Mass = density x Volume = 8.96x 5 = 44.8 g

Answer:

its a

Explanation:

yw

The respiratory and circulatory systems work together to maintain the homeostasis of the human body. The circulatory system is the transport system for the respiratory system. The correct option is A.

The network of organs and tissues which help us to breathe is defined as the human respiratory system. The main function of this system is to introduce oxygen into the body and to expel carbon dioxide from the body.

The human circulatory system consisting of arteries, veins and capillaries provide all the essential nutrients, minerals and hormones to the various parts of the body.

The respiratory system does not work alone in transporting oxygen through the body. The oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen rich blood to tissues and cells.

Thus the correct option is A.

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Answer:

molar mass of zn( no3) 2

is 189.36 g/ mol

Answer:

6.25 x 10^-4 moles H2O

Explanation:

moles H2O = 10 x 10^-3 g O2 x (1 mol O2/MM O2) x (2 moles H2O/ 1 mol O2) =

= (10^-2 / 32) x 2 = 6.25 x 10^-4 moles H2O

conversion factor 2moles H2O = 1 mol O2

MM O2 = 32g/mol

mass O2 = 10 mg = 10 x 10^-3 g

Answer:

[tex]CCl_{2}[/tex]

Explanation:

When calculating an empirical formula from percentages, assume you have a 100g sample. This allows you to convert the percentages directly to grams, because X % of 100g is X grams.

So:

14.6% C = 14.6g C, 85.4%Cl = 85.4g Cl

The next step is to divide each mass by their molar mass to convert your grams to moles.

14.6g/12.01 = 1.22 mol

85.4g/35.45= 2.41 mol

Then you will divide all of your mol values by the SMALLEST number of moles. This gives you whole numbers that are the mole ratio (subscripts) of the empirical formula.

1.22 mol/1.22 mol = 1

2.41 mol/1.22 mol = 2

So the empirical formula is

[tex]CCl_{2}[/tex]

The empirical formula of the compound is CCl2.

HOW IS EMPIRICAL FORMULA CALCULATED:

C = 14.6g ÷ 12g/mol = 1.22mol

Cl = 85.4g ÷ 35.5g/mol = 2.41mol

C = 1.22mol ÷ 1.22 = 1

Cl = 2.41mol ÷ 1.22 = 1.97

Approximately, the carbon to chlorine ratio is 1:2, hence, the empirical formula of the compound is CCl2.

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Answer:

The process of photosynthesis occurs when green plants use the energy of light to convert carbon dioxide (CO2) and water (H2O) into carbohydrates. Light energy is absorbed by chlorophyll, a photosynthetic pigment of the plant, while air containing carbon dioxide and oxygen enters the plant through the leaf stomata.

Answer:

A sample of helium gas has a volume of 620mL at a temperature of 500 K. If we ... to 100 K while keeping the pressure constant, what will the new volume be?

Explanation:

A sample of helium gas has a volume of 620. Ml at a temp of 500 K. If we decrease the temperature to 100K while keeping the pressure constant 124 ml will the new volume be.

Volume is a measurement of three-dimensional space that is occupied. It is frequently expressed quantitatively using SI-derived units, as well as several imperial or US-standard units. Volume and the notion of length are connected.

The capacity of an object is measured by its volume. For instance, a cup's capacity is stated to be 100 ml if it can hold 100 ml of water in its brim. The quantity of space occupied by a three-dimensional object can also be used to describe volume.

According to Charles' Law, at constant pressure,

V1 / T1 = V2 / T2

V1 = 620 ml and T1 = 500K, V2 = ? , T2 = 100K

620 ml / 500K = V2 / 100K

V2 = ( 620 ml ) ( 100K ) / 500K

Volume = 124 ml

Thus, If we decrease the temperature to 100K while keeping the pressure constant 124 ml will the new volume be.

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Answer:

3,46 atm

Explanation:

Tenemos;

P1 =?

T1 = 100 + 273 = 373 K

V1 = 40 litros

P2 = 6 atmósferas

T2 = 50 + 273 = 323 K

V2 = 20 litros

Desde;

P1V1 / T1 = P2V2 / T2

P1V1T2 = P2V2T1

P1 = P2V2T1 / V1T2

P1 = 6 * 20 * 373/40 * 323

P1 = 44760/12920

P1 = 3,46 atm

Answer:

True

Explanation:

The given chemical equation is balanced as it has equal number of atoms of each element on both sides.Hence it is true.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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Answer:

How can drying a hydrate help you determine its mole ratio of water to salt?

Explanation:

When we are investigating the mole ratio of a hydrate by heating we can have some scientific  questions to solve here, like how much heat energy is needed to dry the hydrate of specified quantity, similarly how the evaporation helps to determine the mole ratio?

Some compounds easily absorbs water molecules into them and forms hydrates that are compounds associated with water molecules. The property getting moisture easily is called deliquescence.

There are many compounds which able to form hexahydrates, penta hydrates, dihydrates etc. The mole ratio with water depends on the nature of the compound and mostly to the bond type.

By heating the hydrates can be dried by evaporation of water. But the temperature used to evaporate varies with the water content. Thus, question we can have here, is how heating helps to find mole ratio and how heat energy is used to make it dry.

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Answer: Thermal Energy

Explanation:

Answer:

True.

Explanation:

Answer:

1. answer is subcutaneous tissue 2. answer is spleen

Explanation:

The subcutis is also known as the hypodermis or subcutaneous layer, and functions as both an insulator, conserving the body's heat, and as a shock-absorber, protecting the inner organs.

Excretory Organs. Organs of excretion include the skin, liver, large intestine, lungs, and kidneys. Together, these organs make up the excretory system.

Answer:

the answer is Subcutaneous Tissue

Explanation:

and the second one is Intestine

Answer: 1.31 × 10^47 sorry if its not the answer

Explanation:

Answer:

Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. A feather and a rubber ball dropped together. Air resistance causes the feather to fall more slowly, while the ball falls more fast.

Answer:

don't do it gives you a virus

Explanation: