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3 years ago

What is the function of the glomerulus?

1 answer:

8 0

The glomerulus is a part of the Malphigian body in which blood enters through the renal artery (afferent arteriole) and the substance that needs to be excreted along with water diffuses into the bowman's capsule.
It carries out the function of ULTRAFILTRATION.

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The equilibrium constant Kp for the reaction I2(g) + Br2(g) ⇀↽ 2 IBr(g) + 11.7 kJ is 280 at 150◦C. Suppose that a quantity of IB

mixas84 [53]

Answer:

$\large \boxed{\text{0.0120 atm }}$

Explanation:

The balanced equation is

I₂(g) + Br₂(g) ⇌ 2IBr(g)

Data:

Kp = 280

p(IBr) = 0.200 atm

1. Set up an ICE table.

Let p = the initial pressure of IBr. Then

$\begin{array}{ccccccc}\rm \text{I}_{2}& + & \text{Br}_{2} & \, \rightleftharpoons \, & \text{2IBr} & & \\0 & & 0 & & p & & \\+x & & +x & & -2x & &\\x & & x} & & 280 & & \\\end{array}$

2. Calculate p(I₂)

$\begin{array}{rcl}K_{\text{p}}&=&\dfrac{p_{\text{IBr}}^{2}} {p_{\text{I}_2}^{2}}\\\\280&=&{\dfrac{0.200^{2}}{x^{2}}&&\\\\280x^{2} & = &0.0400\\x^{2} & = &\dfrac{0.0400}{280 }\\\\& = & 1.429 \times 10^{-4}\\x & = & \textbf{0.0120 atm}\\\end{array}\\\text{The partial pressure of iodine is $\large \boxed{\textbf{0.0120 atm }}$}$ }

Check:

$\begin{array}{rcl}{\dfrac{0.200^{2}}{0.0120^{2}}}&=&280\\\\280& =& 280\\\end{array}$

8 0

3 years ago

Which particle has the least mass?(1) alpha (3) neutron<br> (2) beta particle (4) proton

ivann1987 [24]

Alpha particle has a mass of 4 (Two protons and two neutrons)
Neutron has a mass of 1
Beta particle has a mass of about 0 (Electron)
Proton has a mass of 1
So the answer is (2) Beta particle

4 0

3 years ago

How many grams of KCl are present in 55.0 mL of 2.10 M KCl?

sergiy2304 [10]

Answer:

none of the above is the answer

4 0

4 years ago

Read 2 more answers

• What is produced at the end of the cell cycle? How do they compare to each other and

olga2289 [7]

Answer:

At the end of cell cycle (mitosis replication), two daughter cells are produced. Each contains exactly the same number of DNA content.

6 0

3 years ago

How many molecules are in 165 grams g of carbon dioxide ?

KATRIN_1 [288]

Answer:

There are 2.258 x 10^24 molecules of CO2 in 165 grams of CO2.

Explanation:

First you have to calculate the molar mass of carbon dioxide ⇒ 44 grs/mol. Then,

44 grs ------------- 1 mol CO2

165 grs ------------ x = 3.75 moles of CO2.

Then, from Avogadros constant we have that there are 6.022 x 10^23 molecules in 1 mol. So,

1 mol CO2 ---------------- 6.022 x 10^23 molecules CO2

3.75 moles CO2-------- x = 2.258 x 10^24 molecules CO2.

There are 2.258 x 10^24 molecules CO2 in 165 grams of CO2.

3 0

3 years ago