The rules for naming alkanes, alkenes, and alkynes are
A) very different
B) almost the same
C) specific for each of them

Answer: B) Ten moles of sodium hydroxide and five moles of hydrogen gas will be produced

Explanation: Got it right on USATestPrep

Answer:

a b c are correct and rest of other are incorrect

Answer:

voltage source

Explanation:

establishes an electric potential difference across the two ends of the external circuit and thus causes the charge to flow. The voltage source is the numerical value of this electric potential difference.

Darmstadtium based on its position in the periodic table, proposes three different reasonable valence electron configurations for this element is 2.

​

Darmstadtium was first synthesized by research scientists at the Heavy Ion Research Laboratory in Darmstadt, Germany in 1994. The element was made by bombarding lead-208 atoms with nickel-62 atoms in a heavy-ion accelerator. Four atoms of darmstadtium were produced in the first experiment.

Darmstadtium is a chemical element with the symbol Ds and atomic number 110.

It is an extremely radioactive synthetic element.

Darmstadtium based on its position in the periodic table, proposes three different reasonable valence electron configurations for this element is 2.

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Answer:

A copper cup with a mass of 100.0 g contains 96.0 g of water. Both. the cup and the water are at 13.0OC. If 70.0 g of a substance at 84.0OC is added to the cup, the temperature increases to 20.0OC. If the specific heat capacities of copper and water are exactly 390 and 4180 respectively, find the specific heat capacity of the substance.

Explanation:

hope this helps

Answer:

Up

Explanation:

Answer:

Halocarbons.

Explanation:

Atmospheric measurements have clearly corroborated theoretical studies showing that chlorine and bromine released from halocarbons in the stratosphere react with and destroy ozone.

Answer:

1) d. all of the above

2) a. cut from a barbed wire at a dairy farm

3) check 3, 4, 5

4) b. suburban areas

5) true

6) is true

7) d. "but..."

8) true

9) check 1, 2, 5

10) a. animal bites

11) c. smallpox

12. antibodies

Answer:

Think it's C16H31FN2O2, but I couldn't find anything else about it.

Explanation:

It's an organic chemistry skeletal structure and it's very difficult to explain how to read. Hopefully this gave you a push in the right direction, I know it wasn't the most complete answer.

To Find:-

Grams Present in 3.45 Moles of Carbon.

We Know:-

Molecular Mass of Carbon Dioxide= 44.01 grams/mol or 44 grams/mol

[tex] \text{Moles} = \frac{\text{Mass}}{\text{Molecular mass}}[/tex]

[tex] \implies 3.45 \text{moles} = \frac{ \text{Mass}}{44 \text{g/mol}} \\ \\ \implies \text{Mass} = {44 \text{g/mol}} \times 3.45 \text{moles} \\ \\ \implies \text{Mass} = {44 \text{g/} \cancel\text{ mol}} \times 3.45 \cancel\text{moles} \\ \\ \implies \text{Mass} = 44 \text{g} \times 3.45 \\ \\ \implies \text{Mass} = \red{151.8 \text{g}}[/tex]

[tex]\therefore \text{Mass of 3.45 Moles of Carbon Dioxide is = \red{151.8g}}[/tex]

Answer: 4

Explanation: digestion is the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.

Answer:  

4.digestion is the process of breaking down food into smaller molecules

Explanation:

Answer:

.

Explanation:

.

Answer:

431536.9mL

Explanation:

[tex]34.0mm\ x\ \frac{cm}{10mm}\ x\ \frac{in}{2.54cm}[/tex]

put your equation so that your units cancel. The 'mm' will cancel with each other which will get you 'cm' and then the 'cm' will cancel with each other which will get you 'in'.

34.0 millimeters converted to inches would be 1.3385 inches.

A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.

Any additional quantity of that type can be stated as a multiple of the measurement unit.

Length is one of the most commonly used measurement parameters.

As given in the problem statement we have to convert Convert 34.0 mm to inches by using the dimensional analysis,

As we know that millimeters and inches, both are units of length,

1 millimeter = 0.0393701 inches

34.0 millimeter = 34.0× 0.0393701 inches

                         = 1.3385 inches

34.0 millimeters converted to inches would be 1.3385 inches.

Thus, 34.0 millimeters converted to inches would be 1.3385 inches.

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Answer:

metallic is the correct one

Explanation:

Any metal such as iron are usually hard

Metallic type of solid is usually the hardest. Option D is correct.

A metal is a solid which is hard in nature shiny and smooth and produce sound when collide with each use to make ornaments, utensils or big machines etc. as there are different metals and hard too.

Some examples are gold, silver, copper, platinum, steel etc. they all are good conductor of electricity mostly copper is used to make wires and steel for making buildings etc. because of strong molecular force they are hard.

Therefore, Metallic type of solid is usually the hardest. Option D is correct.

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Answer: 1.5×1024 molecules

Let's balance

Moles of laughing gas

2 moles need 3 mol O_2

1 mol needs= 1.5mol O_2

moles of O_2.

#2

Moles Of O_2

Moles of smog

Mass

2N₂O + 3O₂ ⇒ 4NO₂

mol N₂O = 9 g : 44 g/mol = 0.205

mol O₂ = 3/2 x 0.205 = 0.3075

mass O₂ = 0.3075 x 32 g/mol = 9.84 g

=================================

mol O₂ = 7.5 g : 32 g/mol = 0.234

mol NO₂ (smog) = 4/3 x 0.234 = 0.312

mass NO₂ = 0.312 x 46 g/mol = 14.352 g

Precipitate forms when you add 32.5 g of NaCl to 131.0 mL of 0.29 M [tex]Pb(NO_3)_2[/tex]

The solubility product constant, Ksp​, is the equilibrium constant for a solid substance dissolving in an aqueous solution.

Writing the equation:

NaCl → [tex]Na^+[/tex]  + [tex]Cl^-[/tex]

[tex]Pb(NO_3)_2[/tex] → [tex]Pb^2^+[/tex]  + [tex]2NO^3^-[/tex]

[tex]Pb^2^+[/tex] + 2[tex]Cl^-[/tex] ↔ [tex]PbCl_2[/tex]

I.P = [ [tex]Pb^2^+[/tex]] * [ [tex]Cl^-[/tex] ]

Ksp [tex]PbCl_2[/tex] =[ [tex]Cl^-[/tex] ] * [[tex]Pb^2^+[/tex] ]

1.7 x [tex]10^-^5[/tex]= [ [tex]Cl^-[/tex] ] * [ [tex]Pb^2^+[/tex] ]

Molarity of NaCl = 4.24 M

Molarity of [tex]Pb(NO_3)_2[/tex] = 0.29 M

Ksp [tex]PbCl_2[/tex] =[ Cl- ] * [[tex]Pb^2^+[/tex] ]

Ksp << IP ⇒ precipitate formation will not take place.

Hence, the precipitate formation will not take place.

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Answer:

CaCO3

Explanation:

The molecule is formed by the calcium cation Ca+2 and the carbonate anion CO3−2.

Answer:

Si 1.90

H 2.20

Explanation:good luck

Answer: 10.8 mol

Explanation:

The balanced equation in the image represents the reaction where aluminum chloride is formed from its elements.

From this equation, we know that for every 2 moles of aluminum consumed, 2 moles of aluminum chloride are produced (we can reduce this to conclude that moles of aluminum consumed = moles of aluminum chloride produced)

This means the answer is 10.8 mol.

Answer:

B. There is a lower risk of runaway chain reactions.

Answer:

b

explanation:

Answer:

A

Explanation:

15 sec   *   1 hr/3600 sec    (note how 'sec'  cancels out and you are left with 'hour' in your answer)   =    15/3600 hour

Answer:

answer d

Explanation:

Answer:

Science is all about learning and understanding something new. Inquiry means to ask for information or investigate something to find out more. So, scientific inquiry is using evidence from observations and investigations to create logical explanations and answer questions.

Answer:

A month

Explanation:

Answer:

~ 3.5 x 10^21

Explanation:

Mole weight of Ca Cl2   ( from periodic table ) = ~~ 111 gm

.645 gm / 111 gm / mole   X  6.022 x 10^23  =

Answer: When completely decomposed it will be -11 kJ