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k0ka [10]
3 years ago
12

A cone-shaped landform develops when magma erupts from the _______ forming a volcano science

Chemistry
1 answer:
jeka943 years ago
6 0

Answer:

Magma chamber

Explanation:

When a volcano erupts, the magma (also called lava when out of the magma chamber) erupts out of the vents.

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3. What is the molecular formula of a compound that has an empirical formula of CO2 and a molar
sattari [20]

Answer: the molecular formula of the compound is still the same i.e CO2

Explanation:

7 0
3 years ago
Which species has the shortest carbon-nitrogen bond, CH3CN, CH3NH2, or CH2NH? acetonitrile methylamine methanimine (c) Which spe
Arturiano [62]

Answer:

Shortest carbon-nitrogen bond = CH3CN, strongest carbon-nitrogen bond = CH3CN

Explanation:

Bond length is defined as the distance between the centers of two covalently bonded atoms, in this case; carbon and hydrogen.

The length of the bond is determined by the number of bonded electrons (the bond order).

The higher the bond order, the stronger the pull between the two atoms and the shorter the bond length.  

Therefore, bond length increases in the following order: triple bond < double bond < single bond.

CH3CN - There's a triple bond between Carbon and Nitrogen

CH3NH2 - The bond between carbon and nitrogen is a single bond.

CH2NH - The bond between carbon and nitrogen is a double bond.

The specie with the shortest carbon-nitrogen bond is CH3CN (acetonitrile).

The species with the strongest carbon-nitrogen bond is also CH3CN (acetonitrile) because it contains a triple bond. A triple bond contains one sigma and 2 pi bonds. The energy required to break it is more when compared to the other bonds hence, it is the strongest bond.

6 0
3 years ago
What type of reaction is <br><br> Ammonia (NH3) breaking down into nitrogen gas and hydrogen gas
Andru [333]

Answer:

Explanation:

Look at the reaction.

2NH3 ===> N2 + 3H2

It's a molecule that is breaking down to two elements on the periodic table. We used to call such a thing as a simple decomposition.

8 0
3 years ago
positive ions are smaller than the ions from which they are formed but negative ions are larger than the is from which they are
Vadim26 [7]
Positive ions are atoms that have lost an electron from its outtermost shell. It is positive because electrons are negative and the loss of something negative makes it a bit more positive.
A negative ion is larger than its original atom because it's gained an electron.

The more electrons an atomic has on its electron cloud, the bigger the atom.

Hopefully I didn't confuse you, good luck. ♡
3 0
3 years ago
What's a good idea for a limiting reactant project
amid [387]
Original Recipe
1 (18 1/4 ounce) Box devils food cake mix
1/2 cup vegetable oil
2 large eggs
Confectioners' Sugar (for rolling)

Directions:
Preheat oven to 350 degrees. Stir (by hand) cake mix, oil, and eggs- until dough forms. Dust with sugar and shape into 1 inch balls. Roll balls in sugar and place on ungreased cookie sheet. Bake 8-10 minutes. Remove from pan after one minute and put on cooling rack.
Cooking for 17 people
My original yield was 30 cookies.

17 cookies (1box cake mix/30 cookies)= .56 of a box= 1/2 box

17 cookies (1/2 cup oil/30 cookies)= .283 cups of oil= 1/4 cups

17 cookies (2 eggs/30 cookies)= 1.13 eggs= 1 egg
Percent Yeild
I was able to bake 24 cookies, with my original yeild being 30.


(24 cookies/30 cookies) x 100= 80% yeild
<span>Limiting Reactant Project
Fudge Crinkles</span>
By Autumn Gordon
Limiting Reactant
I have...
1 box of cake mix
48 oz or 6 cups of oil
12 eggs
Limiting is cake mix.
Left over is...
5.5 cups of oil
10 eggs<span>
</span>
7 0
3 years ago
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