Do tanning beds have nuclear fission or fusion?

Answer:

A hydrocarbon containing a carbon - carbon double bond.

Explanation:

Alkene is hydrocarbon containing a

carbon - carbon double bond.

( Refer the attachment to understand more clearly )

An alkene is a hydrocarbon containing a carbon-carbon double bond and the correct option is option C.

Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen.

The carbon atoms join together to form the framework of the compound, and the hydrogen atoms attach to them in many different configurations.

Aliphatic hydrocarbons are divided into three main groups according to the types of bonds they contain: alkanes, alkenes, and alkynes.

Alkanes have only single bonds, alkenes contain a carbon-carbon double bond, and alkynes contain a carbon-carbon triple bond.

Therefore, An alkene is a hydrocarbon containing a carbon-carbon double bond and the correct option is option C.

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Answer:

C

Explanation:

These particles are attracted to the ground with opposite charges that they form lightning (That's the best way I could explain it )

Answer:

c. charged particles colliding with earth’s magnetic field

Explanation:

Lightning is caused by

charged particles colliding with earth’s magnetic field

its not ,b or a, nor ,c &,d

Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds. What causes lightning?

So, do thunderclouds have rubber shoes? Not exactly, but there is a lot of shuffling going on inside the cloud and there's alot on the lighting that tower .

The volume of a gas at STP is 45.6L in the given conditions.

This is an example of a combined gas law equation.

P₁V₁/T₁=P₂V₂/T₂

V₂=V₁×P₁/P₂×T₂/T₁

Convert STP in bar

P₁=1atm=1.013 bar, V₁=50L, T₁=303K, P₂=1bar, V₂=?, T₂=273K

V₂=50×1.013/1×273/303

V2=45.6L

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Fire is a risk in all commercial kitchens. Open flames, grease, poor house-keeping practices, electrical hazards and flammable materials are common causes of restaurant fires.

What is an accidental fire?

Accidental fires are those in which the proven cause does not involve any deliberate human act to ignite or spread the fire.

Open flames, grease, poor house-keeping practices, electrical hazards and flammable materials are common causes of restaurant fires. Employers must implement effective administrative controls to protect employees and the business from the dangers of fire.

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Answer:

c. a small amount

Explanation:

Trace elements (or trace metals) are minerals present in living tissues in small amounts.

Answer:

read it first

Explanation:

Population change is governed by the balance between birth rates and death rates. If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.

hope it helps

Answer:

P₁V₁=P₂V₂

29.3 * 28.8 = 16.5* V₂

V₂ = 51.14 L

Answer:

4.14 x 10²⁴ molecules CO₂

Explanation:

2 C₄H₁₀ + 13 O₂ --> 8 CO₂ + 10 H₂O

To find the number of CO₂ molecules, you need to start with 100 grams of butane (C₄H₁₀), convert to moles (using the molar mass), convert to moles of CO₂ (using coefficients from equation), then convert to molecules (using Avagadro's number). The molar mass of C₄H₁₀ is calculated using the quantity of each element (subscript) multiplied by the number on the periodic table. The ratios should be arranged in a way that allows for units to be cancelled.

4(12.011g/mol) + 10(1.008 g/mol) = 58.124 g/mol C₄H₁₀

100 grams C₄H₁₀          1 mol C₄H₁₀             8 mol CO₂          
--------------------------  x  ----------------------  x  ---------------------  
                                        58.124 g              2 mol C₄H₁₀          

    6.022 x 10²³ molecules
x  ------------------------------------  =  4.14 x 10²⁴ molecules CO₂
              1 mol CO₂

Answer:

2

Explanation:

2 balances out the equation

The pH of a solution with [H₃O⁺] = 2.3 × 10⁻⁴M is 3.64 means the solution is acidic in nature.

pH of any solution is define as the negative logarithm of the concentration of hydronium ion as:

pH = -log[H⁺]

Given that concentration of H₃O⁺ or H⁺ = 2.3 × 10⁻⁴M

On putting values, we get

pH = -log(2.3 × 10⁻⁴)

pH = -(-3.64) = 3.64

Hence required pH value is 3.64.

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Answer:

2.05 i think sorry if im wrong

Explanation:

Answer:

2.25 M     <========= I do not see this in your selection of answers !

Explanation:

Mole weight of  Li F

      ( from periodic table ) = 6.94 + 18.998  = 25.938 gm/mole

56 gm / ( 25.938 gm /mole) = 2.15899 moles

2.15899 mole / (.959) L = 2.25 M

Answer:

The correct answer is 547

If the digestive system breaks down you would have no ability to get the nutrients.

The digestive system includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus.

If you had no digestive system, you would have no ability to get the nutrients and sugars in food, and you would die.

The digestive system is very long, however. Some people have gotten into car accidents and damaged their intestines, and had to have part of them removed.

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The total mass of the product will be 137 grams.

From the equation of the reaction:

[tex]Zn + 2HCl --- > ZnCl_2 + H_2[/tex]

Mole of 130 grams of Zn = 130/65 = 2 moles

Equivalent mole of [tex]ZnCl_2[/tex] = 1 mole = 1 x135 = 135 grams

Equivalent mole of [tex]H_2[/tex] = 1 mole = 1 x 2 = 2 grams

Total mass of the products = 135 + 2 = 137 grams.

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Answer:

Yes

Explanation:

Dissolving makes what is being dissolved and makes it mix with the water no longer holding its original shape. Dissolving may also change the color or texture of the liquid it is dissolved in. These are all physical changes.

Answer:

divide the number of moles of NaCl by the volume of the solution. In this case that is 0.32 moles, NaCl split by 3.4 L gives 0.094 M NaCl.

Answer:

yeah.. u cant only if heated the iced tea, breaking the sugar cube up has no effect on the dissolving process.

The concentration of the silver nitrate solution is 1.86 moles/dm³ .

The concentration of a substance is the quantity of solute present in a given quantity of solution.

2AgNO₃(aq)+Ca(s)→Ca(NO₃)₂(aq)+2Ag(s)

0.201 g of Silver = 0.201/107.8 = 0.00186 moles

From the equation we can see that for 2 moles of Silver to form we need 2 moles of silver nitrate .

For 0.00186 moles we will need 0.00186 moles of Silver nitrate

The concentration of the solution can be determined as

Molarity = moles / L of solution = 0.00186 moles/l

or 0.00186 moles/cu.cm = 1.86 moles/dm³

Therefore the concentration of the silver nitrate solution is 1.86 moles/dm³ .

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The oxidation reaction is the chemical reaction in which the species loses electrons. The five oxidized ethanedioic acid molecules will produce 8 water molecules. Thus, option B is correct.

Half reaction equations are the representation of the reduction and the oxidation half of the whole reaction that denotes the gaining and losing of electrons differently.

The oxidation half of the reaction is given as:

HO₂CCO₂H → 2CO₂ + 2H⁺ + 2e⁻

The reduction half of the reaction will be given as:

MnO₄ + H⁺ → Mn²⁺ + H₂O

The overall reaction is written as:

C₂O₄ ⁻² + MnO₄⁻ + H⁺ →  CO₂ + H₂O + Mn²⁺

Here electrons are lost in the formation of carbon dioxide and electrons are gained when manganese is produced.

The total reaction is given as:

5 C₂O₄ ²⁻ + 2MnO₄ ⁻ + 16H⁺ → 10CO₂ + 8 H₂O + 2 Mn²⁺

Therefore, option B. five ethanedioic acid molecules produce 8 water molecules.

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Answer:

but-1-ene

Explanation:

Solving :

⇒ 4 carbon atoms (but-)

⇒ One double bond (-ene)

⇒ Bond is present on the 1st carbon atom

Hence, the IUPAC name is :

but-1-ene

Answer:

without density, we wont be able to determine what substance will float

To completely convert 9. 0 moles of hydrogen gas (h2) to ammonia gas, 3.0 moles of nitrogen gas (n2) are required.

The mole is a SI unit of measurement that is used to calculate the quantity of any substance.

The given reaction is [tex]\rm N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)[/tex]

By the stoichiometry rule of ratio hydrogen: nitrogen

3 : 1

The reacted moles of nitrogen is equals to H/3 moles of reacted hydrogen

So, moles of nitrogen  

[tex]\rm Moles\; of\; nitrogen = \dfrac{9.0 }{3} =3.0\;mol[/tex]

Thus, 3.0 moles of nitrogen gas (n2) are required.

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Due to its position, an object has the ability to store energy. For instance, when a demolition machine's heavy ball is held in an elevated position, it is storing energy.

Potential energy is the name for this positional energy that has been stored. Similar to how a drawn bow can store energy due to its posture. There is no energy in the bow while it is in its normal position, or when not drawn.

The bow can yet store energy when its position is changed from its normal equilibrium position because of its position.

Potential energy is the name for this positional energy that has been stored. Potential energy is the energy of position that a thing has stored inside it.

Therefore, Due to its position, an object has the ability to store energy. For instance, when a demolition machine's heavy ball is held in an elevated position, it is storing energy.

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Answer:

When a substance is added into a solution then its color will change with different kind of solution then such type of substance can be considered as indicator. . They can be synthetic as well as an olfactory indicator

Explanation:

Hope this helps!!!!!!!!

Be safe!!!!!!!!

Answer:

a: the hair dye

b: the change in color of her hair

c: the same amount of hair for both dyes and the same amount of dye

Explanation:

Answer:

1CO + 2H₂ —> 1CH3OH

Explanation:

When balancing any chemical equation given, you identify the amount of reactants and amount of products.

From our given equation;

__CO +__ H₂ —> __CH3OH

Reactants

C = 1

O = 1

H = 2

Products

C = 1

O = 1

H = 3 + 1 = 4

This shows that Hydrogen is not balanced we require 2 to balance it. Thus giving us;

1CO + 2H₂ —> 1CH3OH,

Which is balanced.

The equilibrium constant equation for the reaction of ammonia , a weak base, with water is K=[NH₄⁺][OH⁻] / [NH₃].

Equilibrium constant is a number that expresses the connection between the quantity of products and reactants present at equilibrium in a reversible chemical reaction.

Given chemical reaction is:

NH₃(aq) + H₂O(l) ⇄ NH₄⁺(aq) + OH⁻(aq)

Equilibrium constant equation for the above reaction will be represent as:

K = [NH₄⁺][OH⁻] / [NH₃]

As value of pure water is 1 for the above equation.

Hence equilibrium constant equation for the reaction of ammonia is K=[NH₄⁺][OH⁻] / [NH₃].

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The generic outer electron configuration for the noble gases is ns₂ np₆. All noble gases have fully completely shell.

Noble gases are all monatomic gases, which all are odorless and colorless with very less reactivity.

All noble gases have completely filled s and p orbitals.

Generally, S orbital contain 5 electrons and p orbital contain 6 electrons

Helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn) are all noble gases.

Thus, the generic outer electron configuration for the noble gases is ns₂ np₆.

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