Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.) Note: you are writing the molecular, and not the net ionic equation.

The change in pressure over a given distance is defined as a pressure gradient. The strength of this pressure gradient determines how fast the wind moves from higher pressure toward lower pressure. A stronger pressure gradient will cause stronger winds, as shown in Figure 2. >> Balanced in the vertical by the force of gravity

Answer:

2 atm

Explanation:

The symbol 'atm' is used for pressure. Hence, the symbol used to indicate the pressure at which a chemical reaction is carried out can be, 2 atm.

Answer:

D. Oxidation

Explanation:

In an electrolytic cell, oxidation (the loss of electrons) takes place at the anode. At the cathode reduction takes place.

A mnemonic technique that could be used is that the process that starts with a vowel (Oxidation) takes place at the place that also starts with a vowel (Anode).

Answer:

convection

Explanation:

i believe

The popcorn in the pot pops up because of the conduction process when heated. The solid particles transfers heat energy by conduction mode.

There are three mode of heat transfer namely, conduction, convection and radiation. Conduction is taking place in solids whereas, convection is taking place in liquids and gases. Radiation is the way of heat transfer through vacuum.

In conduction, the heat energy transfers from one molecule to the other which are closely packed in the solids as in a chain. Thus, heat easily moves through the chain.

In gases and liquids, the hot molecules moves to the surface to make other molecules hot and this flow of molecules make the entire substance hot.

Popcorn is a solid substance thus, able to conduct heat energy. This heat energy leads them to thermal vibration and they pop up from the hot pot. Therefore, it is an example of conduction.

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Answer:

Theory- 1 to 7

Explanation:

Exercise- 8 to 25

ect

The right alternative is Option D (0.78 V).

According to the question,

By putting the values, we get

Cu+2 + 2e → Cu E = 0.52 V

Ag+1 + 1e Ag E° = 0.78 V

= 1.23 - 0.45

= 0.78.

negative

The standard cell potential is quite negative, so the reaction will not occur spontaneously as written.

Missing parts of the question.

Using the two cell reduction potentials shown for their corresponding reaction, calculate the cell potential for a voltaic cell made from these two systems: 0.78.

Cu+2 + 2e → Cu E = 0.52 V

Ag+1 + 1e Ag E° = 0.80 V

options:

A)

0.28 V

B)

–1.32 V

C)

1.32 V

D)

–0.28 V

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Answer:

5 g

Explanation:

Step 1: Write the balanced equation

3 AgNO₃(aq) + Na₃AsO₄(aq) ⇒ Ag₃AsO₄(s) + 3 NaNO₃(aq)

Step 2: Calculate the reacting moles of Na₃AsO₄

100.0 mL of 0.1 M Na₃AsO₄ react.

0.1000 L × 0.1 mol/L = 0.01 mol

Step 3: Calculate the moles of Ag₃AsO₄ formed from 0.01 moles of Na₃AsO₄

The molar ratio of Na₃AsO₄ to Ag₃AsO₄ is 1:1. The moles of Ag₃AsO₄ formed are 1/1 × 0.01 mol = 0.01 mol.

Step 4: Calculate the mass corresponding to 0.01 moles of Ag₃AsO₄

The molar mass of Ag₃AsO₄ is 461.61 g/mol.

0.01 mol × 461.61 g/mol = 5 g

Answer:

Table sugar, or sucrose, is a compound because it's formed when two or more elements are joined together. Its chemical formula is C12H22O11, and it contains carbon, hydrogen and oxygen. More specifically, each molecule of sugar has 12 carbon atoms, 22 hydrogen atoms and 11 oxygen atoms.

Explanation:

hope this helps

Answer:

249 L

Explanation:

Step 1: Write the balanced equation

C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(g)

Step 2: Calculate the moles of CO₂ produced from 5.00 moles of C₃H₈

The molar ratio of C₃H₈ to CO₂ is 1:3. The moles of CO₂ produced are 3/1 × 5.00 mol = 15.0 mol

Step 3: Convert "30.0°C" to Kelvin

We will use the following expression.

K = °C + 273.15

K = 30.0°C + 273.15 = 303.2 K

Step 4: Calculate the volume of carbon dioxide

We will use the ideal gas equation.

P × V = n × R × T

V = n × R × T/P

V = 15.0 mol × 0.0821 atm.L/mol.K × 303.2 K/1.50 atm

V = 249 L

Answer:

a) 4

b) 2

c) 5

d) 2

e) 4

f) 3

Explanation:

The complete question is shown in the image attached to this answer.

We know that the shorter the wavelength, the greater the energy. The greatest energy and shortest wavelength among the emission lines is 4.

Applying the same argument as above, the greatest energy catapults the electron from energy level n=1 to n=4. This will corresponds to the shortest wavelength since energy is inversely proportional to wavelength.  

Frequency is also inversely related to wavelength for two waves travelling at the same speed. Hence, the transition that corresponds to the highest energy and shortest wavelength in the emission spectrum will have the highest frequency.

The emission line with the lowest energy occurs when the electron moves from n=2 to n=1.

The ionization energy is the energy required to remove an electron from the hydrogen atom. It corresponds to the transition n=1 to n=∞

Answer:

No matter how many times you cut it, its chemical properties won't change and it'll still be paper.

Explanation:

Answer:Ion-dipole

Explanation:

Answer:

Moon has to be in-between the Earth and the Sun.

2. Moon's umbra should sweep your place.

3. Latitude and longitude of your place should be within the befitting limits.

Answer:

B. Indicator

Explanation:

An indicator is used to determine whether an acid or alkali has been added to a solution.

Indicators can be liquid or a paper called litmus paper. There also some digital forms of indicators that can tell whether an acid or alkali has been added to a solution.

Answer: answer is C on Edge

Explanation:

An arrow is fired at a target on a high wal. The energy change between the moment the arrow is fired and the moment it hits the target is the kinetic energy decreases as potential energy increases. The correct option is c.

Energy neither be created nor destroyed. It just only is transferred from one form to another form. This is called energy change. When any reactions happen, one form of energy is changed into another form.

There are many kinds of energy. These energies are kinetic energy, potential energy, gravitational energy, etc. Kinetic energy is the energy that is used when any work is done. Potential energy is the energy that is stored form of energy.

Therefore, the correct option is c, The kinetic energy decreases as potential energy increases.

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Explanation:

hope it helps you

Answer:

Dissolves a chemical sample well at high temperatures.

Does not dissolve a chemical sample well at low temperatures.

Explanation:

Recrystallization is a purification technique that involves mixing of an impure solid compound with a hot solvent leading to a saturated solution. As this solution cools, the compound to be purified becomes less soluble in the solvent, and pure crystals appear from the solution as the solution cools.

A good recrystallization solvent should

Answer:

0.2g

Explanation:

mass=mole/molar mass

molar mass of oxygen is 32

6.06/32=0.19 or 0.2 units=grams

hope it helps you......

Answer:

Yes

Explanation:

A molecule has a center of symmetry when, for any atom in the molecule, an identical atom exists diametrically opposite this center an equal distance from it(Wikipedia).

A center of symmetry is said to exist in a molecule when reflection of all parts of the molecule through the center of symmetry produces an indistinguishable configuration(Housecroeft and Sharpe,2012)

Obviously, the Cl2 molecule has a center of symmetry, hence it is symmetrical. Reflection of the molecules through its center of symmetry produces an indistinguishable configuration.

Answer:

Sulfur

Explanation:

Oxygen like sulfur would chemical react and combine with other compounds in the same way. This is because they are both located in the same group on the periodic table.

Elements in the same group have the same chemical properties and they will react the same way.

The general formula of the elements in this group are ns² np⁴.

All the elements in this group have 4 electrons in their np⁴ shell and they belong to the p-block.

Answer:

I think you should use distillation cauze it helps to separate two mixtures

Answer:

A.) distillation

Explanation:

edge 2021

Answer:

0.96mL must be given

Explanation:

First, we need to obtain the mass of Solumedrol required for the child by using its mass. Then, with this mass we can solve the volume that must be administered:

Mass of solumedrol required:

20kg * (3mg / kg) = 60mg of solumedrol are required.

Volume given:

60mg Solumedrol * (2mL / 125mg) =

0.96mL must be given

Answer:

The volume of the gas increases as the temperature increases.

Explanation:

Gas volume does increase with increasing temperature providing that the pressure remains constant. Temperature and pressure both interact with the gas volume according to the gas Laws and both variables must be accounted for at the same time.

Answer:

B. None of these

Explanation:

Answer:

Explanation:

Energy