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kvv77 [185]
3 years ago
8

Khjgjhgfmhgxfhkugfdnhmvngchnvnhvhgh

Chemistry
2 answers:
igor_vitrenko [27]3 years ago
5 0

Answer:

I don’t know

Explanation:

bazaltina [42]3 years ago
4 0

Answer: fish are ghosts

Explanation:

Water, space, oxygen. What do they have in common? What do they have that is unique to themselves? One must ponder life’s hidden truths in order to gain true and pure enlightenment.

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If 15.60 g of a hydrated compound is heated in an oven for several hours, its mass drops to 8.63 g. Assuming that the reduction
Ber [7]
In order to calculate the percent of water in the hydrate, we need to know the amount of water that is lost after heating. We simply subtract the initial amount and the final amount. We do as follows:

mass of water = 15.60 g - 8.63 g = 6.97 g

Percent water = 6.97 / 15.60 x 100 = 44.68%
6 0
3 years ago
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During science lab, Jacob mixes together sodium hydroxide (NaOH) and hydrochloric acid (HCl). The two chemicals react to form so
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The answer is B. Because reactions are what goes in. Products are what comes out
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Select the correct answer. _____enable long-term resistance to infections that have been present in the body before. A. Monocyte
Alekssandra [29.7K]

Answer:

C. Lymphocytes

Explanation:

All of the following choices are kinds of white blood cells that have a significant role in the body's immune system.

A. Monocytes

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Neutrophils are the most in number in the body's immune system, especially when there is inflammation. They are distributed to different areas where they can move through circulation along blood vessels. They specifically attack antigens.

C. Lymphocytes

Lymphocytes are further divided into two. These are the B cells and the T cells. The B cells are also of two kinds. One of them is the memory B cells, which can remember a foreign body and create antibodies against it to provide for a long-term resistance in case the body gets exposed to the same infectious agent again.

D. Basophils

As part of the immune system, basophils function for preventing blood clots as well as in mediating allergic reactions.

5 0
3 years ago
If 0.300 moles of Cl2 is mixed with 0.600 moles of F2 in a 5.00 L rigid reaction vessel, what is the final pressure in the vesse
sesenic [268]

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29.0

Explanation:

3 0
3 years ago
When barium hydroxide is mixed with ammonium chloride, a fall in temperature is observed why? plz explain in detail
Oksanka [162]

Answer:

Ammonium chloride has ammonium (NH4 +) part which is slightly acidic and Barium Hydroxide is a strong base.

You can see that an acid-base reaction will occur.

In this case :

Its highly endothermic reaction

Forms aqueous ammonia (mind that ammonia is highly water soluble gas so no effervesence) and Barium Chloride which is water soluble.

Ba(OH)2 +NH4Cl ——->BaCl2 + NH3 +H2O (unbalanced)

4 0
3 years ago
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