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4 years ago

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Which virus is correctly matched with its capsid structure? A. Naked helical-poliovirus B. Enveloped helical-herpesvirus C. Enve

loped icosahedral-Influenza virus D. Naked helical-Tobacco Mosaic virus

1 answer:

strojnjashka [21]4 years ago

4 0

Answer:

The correct option is : <u>D. Naked helical-Tobacco Mosaic virus</u>

Explanation:

<u>Viruses</u> can be classified on the basis of the structure of their capsids. The different types of <u>capsid structures</u> are: naked icosahedral, naked heical, enveloped icosahedral, enveloped helical and complex structure.

A. The capsid structure of a poliovirus is naked icosahedral.

B. The capsid structure of a herpesvirus is complex.

C. The capsid structure of a influenza virus is enveloped helical.

D. The capsid structure of a tobacco mosaic virus is naked helical.

<u />

<u>Therefore, the correct match is Naked helical-Tobacco Mosaic virus.</u>

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How many moles of N₂O₅ are produced when 3.00g of O₂ react completely in the following equation? 2N₂ + 5O₂ → 2N₂O₅ A. 0.0375 B.

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Answer: A. 0.0375

Explanation:

To calculate the moles :

$\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}$

$\text{Moles of} O_2=\frac{3.00g}{32g/mol}=0.094moles$

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According to stoichiometry :

As 5 moles of $O_2$ give = 2 moles of $N_2O_5$

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4 years ago

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Answer:

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Explanation:

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Next we will calculate how many moles of $H_2SO_4$ are present in 85.00 mL of 1.500 M sulfuric acid.

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Now set up and solve a stoichiometric conversion from moles of $H_2SO_4$ to grams of $NaHCO_3$ . As, the molar mass of $NaHCO_3$ is 84.01 g/mol.

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