Compare and contrast red and white blood cells

Chemistry

2 answers:

Lady_Fox [76]4 years ago

6 0

Answer:

<em>Red blood cells do not have a nucleus on maturity. WBCs are characterized by the presence of a large central nucleus. Due to the presence of haemoglobin, these cells appear red in colour. These cells are colourless, as they do not have any pigment.</em>

Explanation:

<em>Hey mate, here's your answer...</em>

ra1l [238]4 years ago

5 0

The cells do not contain colour / pigment

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365,000,000 scientific notation

bekas [8.4K]

3.65 X 10 to the power of 8

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3 years ago

Which of the following features is common to both acids and bases? A. ability to burn skin B. similar taste C. pH measurements g

Lynna [10]

<h3>Answer:</h3>

Correct Option-A (Ability to burn skin)

<h3>Explanation:</h3>

When skin tissues are exposed to Acids or Bases a chemical burn occurs as both of these substances are corrosive in nature. These burns occur without providing any heat, results from a very fast reaction, are extremely painful and causes damage to structures present under skin.

Option-B is incorrect because Acids taste sour, while, Bases taste bitter.

Option-C is incorrect because pH of Acids is less than 7 while, pH of Bases is greater than 7.

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3 years ago

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Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simulta

scoray [572]

Answer:

70.77 g/mol is the molar mass of the unknown gas.

Explanation:

Effusion is defined as rate of change of volume with respect to time.

Rate of Effusion= $\frac{Volume}{Time}$

Effusion rate of oxygen gas after time t = $E=\frac{4.64 mL}{t}$

Molar mass of oxygen gas = M = 32 g/mol

Effusion rate of unknown gas after time t = $E'=\frac{3.12 mL}{t}$

Molar mass of unknown gas = M'

The rate of diffusion of gas, we use Graham's Law.

This law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows:

$\text{Rate of effusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}$