Select the correct structure that corresponds to the name.
3,3-dimethylcyclopentene

Answer:

1

Explanation:

Answer:

Option D ( Enthalpy of the System)

Explanation:

The relationship between the change in the internal energy of the system during a chemical reaction and the enthalpy of reaction can be summarized as follows. ... The heat given off or absorbed when a reaction is run at constant pressure is equal to the change in the enthalpy of the system.

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Answer:

C

[tex] \triangle \: H {}^{ \theta} _{s} = lattice \: energy + hydration \: energy \\ = + 2526 + ( - 2003 + (2 \times - 340)) \\ + 2526 - 2683 \\ = - 157 \: kjmol {}^{ - 1} [/tex]

The complete question is: Fill the blanks with appropriate coefficient number for the reaction equation- __AgNO3 + __Cu → __Ag + __Cu(NO3)2

Answer: The complete reaction equation is [tex]AgNO_{3} + Cu \rightarrow Ag + Cu(NO_{3})_{2}[/tex]

Explanation:

A chemical equation which contains same number of atoms on both reactant and product side is called a balanced chemical equation.

For example, [tex]AgNO_{3} + Cu \rightarrow Ag + Cu(NO_{3})_{2}[/tex]

Here, number of atoms present on reactant side is as follows.

Number of atoms present on product side is as follows.

To balance this equation, multiply [tex]AgNO_{3}[/tex] by 2 on reactant side and multiply Ag by 2 on product side. Hence, the equation can be re-written as follows.

[tex]2AgNO_{3} + Cu \rightarrow 2Ag + Cu(NO_{3})_{2}[/tex]

Now, the number of atoms present on reactant side are as follows.

Number of atoms present on product side are as follows.

Thus, we can conclude that the complete reaction equation is [tex]AgNO_{3} + Cu \rightarrow Ag + Cu(NO_{3})_{2}[/tex].

Answer:

Enthalpy is the amount of heat released or absorb. The total enthalpy can be found by subtracting the products' enthalpy by the reactants' enthalpy

Answer:

The Eurasian plate(another major plate), the Aegean sea plate and the Anatolian plate share the north border. The Antarctic plate that contributes to the south of the African plate, is also a major plate.

Answer:

Frictional force takes place when 2 object rub against each other

Explanation:

For example:- Ball rolling on the floor (How is the ball moving?... Due to friction)

Answer:

Positive values of Enthalpy

Explanation:

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Answer:

the answer is salt because it has a uniform and definite composition

Explanation:

Answer:

3.52

Explanation:

-log(3 x 10^-4) = 3.52

Answer:

1100L.

Explanation:

Answer:

YES!!!

Explanation:

Strong acids and strong bases are both strong electrolytes. In contrast, only a fraction of the molecules of weak acids and weak bases react with water to produce ions, so weak acids and weak bases are also weak electrolytes.

Answer:

Approximately 10.5g or 10.4g [tex]SrF_{2}[/tex]

Answer:

The actual yield of a chemical reaction is generally theorotical yield.

Answer:

The amount of product generated by a chemical reaction is its actual yield. This yield is often less than the amount of product predicted by the stoichiometry of the balanced chemical equation representing the reaction (its theoretical yield).

Answer:

co2

Explanation:

it is an ionic compound

Answer:

2Li + ZnBr2 ->2LiBr + Zn

3Ca + Al2O3 ->2Al + 3CaO

Explanation:

Spontaneous reactions are reactions that can happen on their own. For a spontaneous reaction to occur, a metal that is higher in the activity series must displace a metal that is lower in the activity series from its solution and not vice versa.

If we look at the two reactions selected in the answer, lithium is above zinc in the activity series and calcium is above aluminum in the activity series hence the two reactions occur spontaneously.

Antoine Lavoisier is known as the "father of modern chemistry” because he first organized all known elements into four different groups.

Antoine Lavoisier made many different and important discoveries in chemistry. He also established water as combination of Hydrogen and Oxygen and that is the very basic beginning of chemistry. The contemporary naming system for chemical compounds is also invented by him. Modern system of chemical nomenclature was the first co-authored by Antoine Lavoisier. He also formulated the law of conservation of mass in chemistry. He has been known as the "Father of Modern Chemistry" because of his brilliant and most important impacts on the history of chemistry.​

Therefore, Antoine Lavoisier is known as the "father of modern chemistry” because he first organized all known elements into four different groups.

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Answer:

c i took the text

Explanation:

Answer:

B. Prepare solutions of different acid concentrations, measure 50 milliliters of each into different beakers, and place metal samples of different types but of the same mass into the beakers.

Explanation:

Since Michael is studying the factors that affect corrosion of metals, and wants to test the effect that different concentrations of an acid will have on the corrosion of a metal, using different acid concentrations of the same volume on different metal samples of the same size would give a much better than all the other options because, a standard volume of acid is used and also a standard mass of metal is used. So, the effect can be measured quantitatively since we have the same quantity of sample.

So, option B is the answer

Answer:

HFusion*mass + Spec.Heat*mass*ΔT + HVap*mass

80cal/g*50.0g + 1.00cal/g°C*50.0g*(100°C-0°C) + 540cal/g*50g

3.60x10⁵cal

Explanation:

Using the HFusion we can find the heat needed to convert the ice to liquid water.

With specific heat capacity we can find the heat needed to increase the temperature of water from 0 to 100°C.

With HVap we can find the heat to convert the liquid water into steam.

The equations are:

Computing the values:

36000cal =

Answer:

11.08 atm

Explanation:

From the question given above, the following data were obtained:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 5 °C

Final temperature (T₂) = 35 °C

Final pressure (P₂) =?

Volume = constant

Next, we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T₁) = 5 °C

Initial temperature (T₁) = 5 °C + 273

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 35 °C

Final temperature (T₂) = 35 °C + 273

Final temperature (T₂) = 308 K

Finally, we shall determine the final pressure of the gas as follow:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 308 K

Final pressure (P₂) =?

P₁/T₁ = P₂/T₂

10/278 = P₂/308

Cross multiply

278 × P₂ = 10 × 308

278 × P₂ = 3080

Divide both side by 278

P₂ = 3080 / 278

P₂ = 11.08 atm

Therefore, the final pressure of the gas is 11.08 atm

Answer:

300 K

General Formulas and Concepts:

Atomic Structure

Gas Laws

Ideal Gas Law: PV = nRT

Explanation:

Step 1: Define

Identify variables

[Given] n = 0.5 mol N₂

[Given] V = 6 L

[Given] P = 2 atm

[Given] R = 0.0821 L · atm · mol⁻¹ · K⁻¹

[Solve] T

Step 2: Solve for T

Step 3: Check

Follow sig fig rules and round. We are given 1 sig fig as our lowest.

292.326 K ≈ 300 K

Answer:

191.4K

Explanation:

Using the ideal gas law equation as follows:

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

According to the information provided in this question:

n = 4.2moles

P = 5.5atm

V = 12.0 L

T = ?

Using PV = nRT

5.5 × 12 = 4.2 × 0.0821 × T

66 = 0.345 T

T = 66/0.345

T = 191.4K

The question is incomplete, the complete question is;

Which area of chemistry best links the use of titanium and plastics in artificial bone and joint replacements? A) environmental chemistry

B) materials chemistry

C) agricultural chemistry

D) physical chemistry

Answer:

materials chemistry

Explanation:

Chemistry is the study of the nature of matter as well as the interaction between the particles that compose matter.

There are several branches of chemistry such as;

Physical chemistry

Organic chemistry

Biochemistry

Polymer chemistry and so on.

Materials chemistry is that branch of chemistry that deals with the design and production of diverse materials which can be used for various purposes.

Hence, the area of chemistry which best links the use of titanium and plastics in artificial bone and joint replacements is materials chemistry.

Answer:

B

Explanation:

took the test

Answer:

beta particle

Explanation:

Answer:

there are 6

Explanation:

The decimal 0 doesn't count as an SF because there is no point for it.