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almond37 [142]
3 years ago
14

The isotope lead-208 (208P)

Chemistry
1 answer:
USPshnik [31]3 years ago
5 0

It is a stable isotope of lead metal. this isotope is of nonradioactive nature. The isotope occur naturally but can also be produced by fission reaction.

It appears as gray powder. With molecular weight of 207.9g/mol.

The boiling point is 1740° while the melting point is 327.4°

It is immediately available as typical and in custom packing of different grade of food, agriculture and pharmaceuticals.


it is used for biomedical and biological labelling. It is also used to measure pb (lead) level in blood by glycogen isotope dilution technique.

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renal calculi contain crystallized calcium, magnesium, and uric acid. explain why patients with hyperparathyroidism would be at
Phantasy [73]

Patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

Hyperparathyroidism occurs when there is over secretion of parathyroid hormone by the parathyroid glands.

The parathyroid hormone is responsible for the following in the body:

  • Release of calcium by bones into the bloodstream.

  • Absorption of calcium from food by the intestines, and

  • Conservation of calcium by the kidneys.

Renal calculi are strong masses of stones deposited in the kidneys or urinary bladder.

When there is excess calcium in the blood due to hyperparathyroidism, the kidneys would be over burdened with the excretion of excess calcium.

That extra calcium in the kidney & the urine leads to kidney stone development ( renal calculi).

Therefore, patients with hyperparathyroidism would be at risk for developing renal calculi because of high calcium levels excreted by the kidney.

Learn more here:

brainly.com/question/24153052

3 0
3 years ago
Convert the volume 27.8 L to the unit m3.
kolbaska11 [484]

Answer:

0.0278 cubic meters

Explanation:

hoped I helped

4 0
3 years ago
5. A gas with a volume of 300 Liters at 295 kPa is allowed to expand to a volume of 350 Liters. What is the final pressure insid
storchak [24]

Answer:

<h2>252.9 kPa</h2>

Explanation:

The new pressure can be found by using the formula

P_2 =  \frac{P_1V_1}{V_2}  \\

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

From the question we have

P_2 =  \frac{300 \times 295}{350}  \\  = 252.85714

We have the final answer as

<h3>252.9 kPa</h3>

Hope this helps you

3 0
3 years ago
When zn(oh)2(s) was added to 1.00 l of a basic solution, 1.09×10−2 mol of the solid dissolved. what is the concentration of oh−
uysha [10]
The concentration of the basic solution is determined by:

N = (number of moles / volume of solution) 

number of moles = 1.09 x 10^-2 mol
volume of solution = 1 liter
N of basic solution = 1.09 x 10^-2 mol / 1 liter
N = 1.09 x 10^-2 mol/L

The initial concentration of Zn (OH)2 is 0; the basic solution is 1.09x10^-2 M, then the concentration of OH in the final solution is 1.09x10^-2 M



7 0
3 years ago
Read 2 more answers
Can someone help me pls i only have 5 mins to complete
Inessa [10]
I think it is carbon
5 0
3 years ago
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