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3 years ago

Please help Edgen. chemistry Lab: Reaction Rate Assignment: Lab Report

Chemistry

1 answer:

Arte-miy333 [17]3 years ago

5 0

Answer:

here its probably late but this is my whole lab report. also please give brainliest. this took a while.

Explanation:

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The next three (3) problems deal with the titration of 361 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10

professor190 [17]

Answer:

Explanation:

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3 years ago

Convert 7.50 mol of Li₂O to grams

Natali5045456 [20]

Answer:

223.5 g

Explanation:

The formula between the number of moles, mass and Mr can be used to convert moles to grams.

<em>Number of moles = mass ÷ Mr</em>

So, mass = number of moles × Mr

Mr of Li₂O = (6.9 × 2) + 16 = 29.8

∴ Mass = 7.5 × 29.8 = <u>223.5 g</u>

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2 years ago

What is more likely to happen if wetlands are drained?

Rudik [331]

Animals and Plants won't have a place to live, get food and resourses. Some organisms won't have anyshelter, because some live in the water.

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3 years ago

What type of matter is 500 grams of silver combined with gold?

marissa [1.9K]

it is a that is the correct answer

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3 years ago

Which of the following Group 17 elements is the least reactive?

satela [25.4K]

The given question is incomplete. The complete question is :

Which of the following Group 17 elements is the least reactive

a) Flourine

b) Chlorine

c) Astatine

d) Iodine

Answer: c) Astatine

Explanation:

Halogen is the name given to Group 17 family with general electronic configuration of $ns^2np^5$ which have 7 valence electrons and thus easily gain one electron to attain stable configuration.

As we move down the group from flourine to chlorine to bromine to iodine to astatine , the valence shell moves farther from nucleus and thus tendency to accept the electron decreases and thus reactivity also decreases.

Thus Astatine is the least reactive of all.

7 0

3 years ago