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denpristay [2]
3 years ago
14

Why can't a corona virus that infects a bird infect a human?

Chemistry
1 answer:
Ipatiy [6.2K]3 years ago
4 0

Explanation:

Hi,

I don't think it can affect humans because humans and birds don't get into contact with each other. An insect and a human do, therefore a human could be affected, but a bird doesnt.

I hope this helps :)

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The diagram below, which is not drawn to scale, shows the position of the Earth, Moon, and Sun.
Marina CMI [18]

Answer:

Lunar eclipse

Explanation:

When the Earth is in between the Sun and the Moon, Earth blocks the sunlight falling on the moon.

Hope I provided some help, if not I at least tried.

4 0
3 years ago
Read 2 more answers
What is the answer for number 2
Bond [772]
This answer is C hope this helped
5 0
3 years ago
Ion version of potassium is ?
Debora [2.8K]

the ion version of potassium is k+

3 0
3 years ago
If your end product is 200.0 g KMnO4 how much KOH did you start with?
aniked [119]

Answer:

m_{KOH}= 142.0gKOH

Explanation:

Hello there!

In this case, according to the following chemical reaction we found on goo gle as it was not given:

2MnO_2+4KOH+O_2\rightarrow 2KMnO4+2KOH+H_2

Whereas we can see a 2:4 mole ratio of potassium permanganate product to potassium hydroxide reactant with molar masses of 158.03 g/mol and 54.11 g/mol respectively. In such a way, by developing the following stoichiometric setup, we obtain the mass of KOH to start with:

m_{KOH}=200.0gKMnO_4*\frac{1molKMnO_4}{158.03gKMnO_4}*\frac{4molKOH}{2molKMnO_4}  *\frac{56.11gKOH}{1molKOH}\\\\m_{KOH}= 142.0gKOH

Best regards!

8 0
3 years ago
What will be the pH of a buffer solution containing an acid of pKa7.5, with an acid concentration exactly one fourth of that of
I am Lyosha [343]

Answer: pH of buffer solution is 8.1

Explanation:

The formula for the Henderson–Hasselbalch equation is:

pH=pK_a+\log\frac{[A^-]}{[HA]}

pH is the concentration of [H^+]

pK_a is the acid dissociation constant,

A^- and HA are concentrations of the conjugate base and starting acid.

Putting in the values we get:

pH=7.5+\log\frac{x}{\frac{x}{4}}

pH=8.1

Thus pH of buffer solution is 8.1

3 0
3 years ago
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