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Alik [6]
3 years ago
15

How can the rate of a reaction be decreased?

Chemistry
2 answers:
Naily [24]3 years ago
8 0

the answer is reducing surface area, when you reduce the surface area of a reaction, the chemical reaction rises, causing the RATE of the reaction to decrease :D
Agata [3.3K]3 years ago
3 0
Reducing surface area
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GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new automated system that can detect nor
Shkiper50 [21]

Answer:

0.87 pg

Explanation:

<em>GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new automated system that can detect normal levels of dissolved triiodothyronine (230. to 660 pg/dL), using a blood sample that is as small as 380 μL. Calculate the minimum mass in picograms of triiodothyronine that the new system must be able to detect. Be sure your answer has the correct number of significant digits.</em>

Step 1: Convert 380 μL to deciliters

We will use the following conversion factors.

  • 1 L = 10⁶ μL
  • 1 L = 10 dL

380 μL × 1 L/10⁶ μL × 10 dL/1 L = 3.8 × 10⁻³ L

Step 2: Calculate the minimum mass of triiodothyronine that can be found in a 3.8 × 10⁻³ L blood sample

Since we are looking for the minimum mass, we will use the lower limit of the concentration interval (230. pg/dL).

3.8 × 10⁻³ L × 230. pg/dL = 0.87 pg

7 0
3 years ago
33.1 x 105 <br> What is the scientific notation
Sunny_sXe [5.5K]

Answer:

3475.5 or 6591/2

Explanation:

4 0
3 years ago
Why do scientists look for patterns in the world?
PSYCHO15rus [73]

Answer:

B. Patterns can help explain observations.

Explanation:

Hope this helps

6 0
3 years ago
Why are rocks not alive
Liula [17]

What Are Living Rocks? Rocks themselves are not alive. But in a coral reef rock-like lime substance is continually produced from the skeletons of dead rock corals and the shells of mussels and other creatures which are bound together by sponges and calcareous algae.

but tbh I have no idea lol!

5 0
3 years ago
Read 2 more answers
consider an atom having four distinct neergy levels. if an electron is able to make transitions between, any two levels, how man
ludmilkaskok [199]

Answer:

6 different frequencies

Explanation:

From energy level 1 to 2 is one frequency, from energy level 1 to 3 is one frequency and From energy level 1 to 4 is one frequency. So, we have a total of 3 frequencies for transition from energy level 1.

From energy level 2 to 3 is one frequency and from energy level 2 to 4 is one frequency. So, we have a total of 2 frequencies for transition from energy level 2.

From energy level 3 to 4 is one frequency.

So we have a total of 3 + 2 + 1 different frequencies = 6 different frequencies.

Note that the reverse process for each step produces the same frequency as the step in consideration.

8 0
2 years ago
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