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Levart [38]
3 years ago
13

Cos(A)+cos(2A)+cos(3A)=0 is not an identity​

Chemistry
1 answer:
guajiro [1.7K]3 years ago
3 0

Answer:

this is the required answer look it once

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Sodium hydroxide (a base) reacts with hydrochloric acid. After the reaction is complete, a pH indicator is added to the solution
fomenos

Answer:

hydrochloric acid

Explanation:

The hydrochloric acid in this reaction is the limiting reactant. A limiting reactant is the reactant that is used up in a chemical reaction. It determines the extent of the reaction.

Since the solution indicates a basic one after the end of the reaction, this suggests that more of the sodium hydroxide is still left unreacted with.

The reactant in excess supply here is the sodium hydroxide and the bulk of it is till left in solution.

7 0
3 years ago
I WILL MARK BRAINIEST PLEASE HELP QUICKLY!!
omeli [17]

Answer:

6CO2 + 6H2O → C6H12O6 + 6O2 is a balanced equation

Explanation:

Carbon, Oxygen, Hydrogen

Reactants are carbon dioxide and water, products are glucose and oxygen

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I believe this might be endothermic

4 0
3 years ago
3. Could a molecule<br> contain only one atom?
Blababa [14]
A molecule is defined as two or more atoms of the same element different element that are bound together. A molecule may be homonuclear, which means, it consists of atoms of one chemical element, as with oxygen (O2); or it may be heteronuclear, a chemical compound composed of more than one element, as with water (H2O).
8 0
3 years ago
Please help !!<br><br> Science question
Lelu [443]
The answer is 2Eu + 3H2O —> Eu2O3+3H2.
Or in other words, change the first one to 3 and the second to 3 as well.
3 0
3 years ago
What number represents water becoming water vapor in this diagram
vredina [299]


the answer is <u>"A" 1</u>

3 0
3 years ago
Read 2 more answers
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