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leva [86]
3 years ago
11

Which is not needed for a hurricane to form?

Chemistry
2 answers:
ad-work [718]3 years ago
6 0
Land is not needed for a hurricane to form
aliya0001 [1]3 years ago
5 0

Answer:

strong cold front

Explanation:

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Which reaction may be described as an acid-base neutralization reaction? 1. be(oh)2 + h2so4 → beso4 + 2 h2o 2. ba(oh)2 + 2 licl
Svetradugi [14.3K]
 The reaction that describe an acid an acid- base neutralization reaction is

Be(OH)2 + H2SO4 = BeSO4 +2 H2O

Neutralization reaction involve an acid  and a base reaction whereby the acid  neutralization the base. for the reaction above Be(OH)2 is  the base while H2SO4 is the acid  thus H2SO4  neutralizes  Be(OH)2 to form BeSO4 and H2O
7 0
3 years ago
A chemist mixes 1.00 g CuCl2 with an excess of (NH4)2HPO4 in dilute aqueous solution . He measures the evolution of 670 J of hea
kaheart [24]

Answer:

\Delta H will be 90054 J

Explanation:

Number of moles = (mass)/(molar mass)

Molar mass of CuCl_{2} = 134.45 g/mol

So, 1.00 g of CuCl_{2} = \frac{1.00}{134.45}mol of CuCl_{2} = 0.00744 mol of CuCl_{2}

0.00744 mol of CuCl_{2} produces 670 J of heat

So, 1 mol of CuCl_{2} produces \frac{670}{0.00744}J of heat or 90054 J of heat

4 0
4 years ago
These diagrams show two atoms of fluorine and an atom of magnesium.
Diano4ka-milaya [45]

The magnesium atom looses two electrons which are accepted by each of the fluorine atoms. (Option D).

<h3>What is an ionic bond?</h3>

An ionic bond is formed when two ions are formed by the loss or gain electrons. In this case, magnesium has to loose two electrons while fluorine will gain two electrons.

Thus, the correct steps in the formation of an ionic bond between these atoms are A magnesium atom donates two electrons to the fluorine atoms → Each fluorine atom accepts one of the electrons → The magnesium atom becomes a +2 ion → Each fluorine atom becomes a -1 ion (Option D).

Learn more about ionic bond:brainly.com/question/11527546

#SPJ1

6 0
2 years ago
WHATS THE AWNSER A b c oR D
IrinaK [193]

A or D most likly A tho

7 0
4 years ago
Consumers get an idea of the building blocks of foods from ________________ and ________________.
oee [108]

Answer:

Ingredient lists and nutritional facts

Explanation:

The packaged food, a consumer purchases has all its details written on the food package which is also verified by a trusted government institution.

  • <u>Ingredient List </u>

The list tells each ingredient in food product by the food's common or usual name in the descending order by the weight.

  • <u>Nutrition Facts Label </u>

FDA requires this label on most of the packaged foods and the beverages. At top of Nutrition Facts label, there is written total number of the servings in container and serving size of food or drink. Serving size on label is based on amount of the food which people eat typically at one time. Rest of nutrition information on label is based usually on one serving of food or beverage.

7 0
3 years ago
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