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sergij07 [2.7K]

3 years ago

15

Sandy was cooking beans for dinner and heard they cook faster if baking soda is added to the water. is adding baking soda a good

idea?

1 answer:

Strike441 [17]3 years ago

3 0

No she should add salt to the water

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Could someone plz help me? :(

kvv77 [185]

Answer:

I think it's B " Constraints are more important than criteria ".

3 0

3 years ago

Why is it difficult for countries to reduce emissions of carbon dioxide

Natalka [10]

Answer:

Curbing global carbon dioxide emissions has been a challenge, primarily because they are being driven higher by countries with low per capita emissions.

Explanation:

"just trust me bro"

3 0

3 years ago

Describe the differences between polyp and medusa

stealth61 [152]

One difference is that some animals are polyp and some are medusa.

The other difference is that some animals have medusa in their life or polp in their life cycle.

Hope these two differences helps :D

5 0

3 years ago

Electron transfer is the term for this process. The resulting anion and cation are attracted by Coulombic forces and an ionic co

Nitella [24]

<h2>The compound formed is NaCl and $CaCl_{2}$ </h2>

Explanation:

PART 1:

Atomic number of sodium is 11.
Sodium(Na, Z = 11, Group 1A) will lose 1 electron to become $Na^{1+}$ which is isoelectronic to Neon (Ne ,Z = 10).
The symbol for the sodium ion is $Na^{+}$ .
Chlorine atom ( $Cl$ , Z = 17, Group 7A or 17) gains 1 elecron to be isoelectronic to neon.
The symbol for the compound formed is NaCl.
PART 2:
Atomic number of calcium is 20
Calcium(Ca, Z = 20 ,Group 2A) will lose two electrons to become $Ca^{2+}$ which is isoelectronic to argon.
The symbol for the ion is $Ca^{2+}.$
Two chlorine atoms (Cl, Z = 17, Group 7A or 17) each gains one electron to be isoelectronic to argon(Z = 18)
The symbol for the compound formed is $CaCl_{2}$ .

8 0

3 years ago

Why do scientists use models to study atoms?

umka2103 [35]

Because atoms are the small and can't be seen by your eyes. It is so small that scientists need to use a model. A model help scientists study things. So, scientists needs to study atoms using models.

3 0

3 years ago