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garri49 [273]
3 years ago
7

Hi :) can someone answer this thank u

Chemistry
1 answer:
scoray [572]3 years ago
3 0
Add all the carbon atoms (3) then add hydrogen atoms (8)
C3H8
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Explanation:

i had took the test and i got it right

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3 years ago
Cytotoxic t cells can attack target cells with which chemical weapons?
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Answer:

secrete cytotoxic substance which triggers apoptosis of target cell.

Explanation:

Cytotoxic T cells have cell surface receptor which recognizes the antigen present on the receptor of target cell. This interaction initiates the process of killing of target cell.

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Perforin make pores in the cell and its action is similar to complement membrane attack complex. Therefore cytotoxic substances are released by Tc cells which trigger apoptosis of target cell.

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3 years ago
(02.01 MC)
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C. Particle size

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4 0
2 years ago
What is true of a reaction that has reached equilibrium?
BabaBlast [244]

The correct option is A.

A chemical reaction is said to have reached an equilibrium stage if the rate of reaction of the forward reaction is equal to the rate of reaction of the reverse reaction. Two way arrows are usually used to depict equilibrium reactions. These arrows indicate that the chemical reaction can move both ways. At the equilibrium point the concentrations of both the reactants and the products are equal.

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Which statement describes the location of metalloids on the periodic table? The metalloids are located below metals and above no
Talja [164]
The metalloids are Boron, Silicon, Geranium, etc and are found to the right of the metals and the left of the nonmetals. Since that is not an option, the best choice would be: The metalloids are located below nonmetals and above metals within a group.
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