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3 years ago

When harmful bacteria invade a wound, the skin around the wound turns red. This is known as:

Chemistry

1 answer:

nasty-shy [4]3 years ago

4 0

Answer:

Inflammation

Explanation:

Inflammation is the response to a cut. The blood vessels expand when you get cut to allow white blood cells to flock to the wound site. These attack any bacteria that got past the clot. If you mean excess bacteria, then that would be an infection.

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When sodium metal is treated with water we get gas which is absorbed by palladium metal is ?

Scilla [17]

that gas is called hydrogen gas

8 0

4 years ago

How many formula units are there in 212 grams of mgCl2

AleksandrR [38]

Formula units are there in 212 grams of MgCl₂ are 830.56

Formula is the empirical of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations and it is the lowest whole number ratio of ions represented in an ionic compound

Here given data is

MgCl₂ = 212 grams

1 mole of magnesium chloride has mass = 95.211 gram and contains 6.022×10²³formula units of magnesium chloride

Here 212 grams×6.022×10²³form unit of MgCl₂/95.211 gram = 830.56

Know more about magnesium chloride

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4 0

1 year ago

If an atom has 11 protons and 13 neutrons what is it’s atomic number

Travka [436]

Answer:

the atomic number is 11 and element is Sodium (Na)

Explanation:

Number of Protons = Number of Electrons = 11

Number of Neutrons = 13

Here, the Number of Protons and Number of Electrons is 11

So,

the atomic number is 11 and element is Sodium (Na) 

5 0

3 years ago

Which Kelvin temperatures represent, respectively, the normal freezing point and the normal boiling point of water?

zhenek [66]

Answer:

4. 273 K and 373K.

Explanation:

Conversion from Celsius to Kelvin ..

Kelvin = Celsius + 273

8 0

3 years ago

Atoms of which two elements have a combined total of 23 protons?

Alik [6]

Answer:

Explanation:

Sodium has 11 electrons and Magnesium has 12 electrons. Since here you need to consider atoms, they must have equal amount of protons as electrons to be considered neutral, and so an atom.

So simply 11+12 =23

6 0

3 years ago