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Valentin [98]
3 years ago
6

CULINARY ARTS

Chemistry
2 answers:
natita [175]3 years ago
8 0
The correct answer is B: 3
nexus9112 [7]3 years ago
4 0
36 divided by 12 is 3. you need three times as much of the recipe to make 36 brownies. The answer is B
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List at least two chemical reactions that resulted in a white precipitate. For these reactions list the possible chemical name o
Alina [70]
Barium chloride + sodium sulphate --> barium sulphate + sodium chloride
BaCl2 + Na2SO4 ---> BaSO4 + 2 NaCl
The barium sulphate appears as a white precipitate

Silver nitrate +  Sodium chloride ---> Silver Chloride + sodium nitrate
AgNO3 + NaCl ----> AgCl + NaNO3
The silver chloride appears as a white precipitate.

These  are sometimes called double decomposition reactions.
8 0
3 years ago
What coefficient is needed to balance the reaction
tensa zangetsu [6.8K]

Answer:

OD. 2HCl

Explanation:

A balanced equation needs the equal # of each element on BOTH sides.

By putting a 2 in front of HCl you now have 2 hydrogens on both sides and 2 chlorines. The Ca and CO3 are already balanced.

5 0
2 years ago
Choose the correct statement regarding the relative size of atoms:
Sonbull [250]

Answer:

The atoms on left side are larger than the atoms on the right side of the periodic table because those on the right have more proton's.

Explanation:

As we travel along a period in a periodic table then the atomic radii decreases

This is because as we travel along a period we have that the atomic number of the atoms increases which means the the number of proton's increased

But the electron's add to the same outer shell throughout the period , which means the effective nuclear charge increases which pulls the outer electrons toward's the nucleus and the size decreases.

Therefore the atoms on left side are larger than the atoms on the right side of the periodic table because those on the right have more proton's.

6 0
3 years ago
Which subatomic particle do you think is most important to an atom’s identity?
Sonja [21]
The subatomic particle that identifies the atom is the number of protons. This is what distinguishes an element that is is flammmable, hydrogen to one that is essential component in water, oxygen.
5 0
3 years ago
A substance that makes things taist sweeter
elena-s [515]
Sugar. (We need a design tech section)
5 0
3 years ago
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