What do proteins act as?

1 answer:

8 0

Proteins are made from long chains of smaller molecules called amino acids. These long chains are folded into particular shapes. This is important in relation to how antibodies and enzymes work.

Enzymes are biological catalysts. There are optimum temperatures and pH values at which their activity is greatest. Enzymes are also proteins. If the shape of an enzyme changes, it may no longer work (it is said to have been 'denatured'). maybe right?

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Determine the formula of chromic acid.

Katyanochek1 [597]

Answer: The formula of chromic acid is $H_2CrO_4$

Explanation:

We are given an ionic compound named as chromic acid. This acid is formed by the combination of hydrogen ion and chromate ion.

An acid is defined as the substance which releases hydrogen ion when dissolved in water.

Hydrogen is the 1st element of periodic table having electronic configuration of $1s^1$ .

This element will loose 1 electron to form $H^{+}$ ion.

Chromate ion is a polyatomic ion having chemical formula of $CrO_4^{2-}$

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for the given compound is $H_2CrO_4$

Thus, the formula of chromic acid is $H_2CrO_4$

8 0

3 years ago

Application of boyle's law a 12-liter tank contains helium gas pressurized to 160 atm. part b what size tank would be needed to

son4ous [18]

According to Mendeleyev-Klapeyronâ€™s equation pV = nRT, where p = 160 atm V = 12 R -constant 0.0821 & T = 298 in Kelvin Using given data, we can determine the amount of Helium gas: n = pV/RT = (160â™12)/(0,0821â™298) = 78,48 (mol) For atmospheric pressure (1 atm) and the same amount we can calculate the volume of tank, using previous equation: V = nRT/p = (78,48â™0,0821â™298)/1 = 1920 (liters) V = 1920 liters Thus Answer is 1920 liters

5 0

3 years ago

Which formula represents a hydrocarbon? (1) CH3I (3) CH3CH3 (2) CH3NH2 (4) CH3OH

stealth61 [152]

Contains only Carbon and Hydrogen.

(3) CH3CH3

5 0

4 years ago

Read 2 more answers

What happens to the air as the stove heats it?

erastova [34]

NOTHING really but as the stove is on with water boiling the air get moist

7 0

3 years ago

Imagine that you wanted to make a time capsule in which you would seal important artifacts from your life (pictures, poems, a lo

Elza [17]

Answer:

Argon gas

Explanation:

Between the options given, argon gas is the least reactive. Argon is known as a noble gas, this means that it is located in the group 18 in the periodic table. These gases are known for their low reactivity, under most circumstances.

The electronic configuration of argon helps us see why that is the case: With an atomic number of 18, it has an electronic configuration of 1s² 2s² 2p⁶ 3s² 3p⁶. This means the most external orbital is filled with electrons, meaning that there are not unpaired electrons able to react with other substances.

5 0

3 years ago