What are the positive and negative changes in the environment

Chemistry

1 answer:

trapecia [35]3 years ago

7 0

Answer:

who knows lol but if you find out let me know

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A formula for a cough syrup contains 60 mg of codeine per fluid ounce. How many mg are contained in one teaspoonful?

Kruka [31]

Answer : The amount of codeine in one teaspoonful is, 30 mg

Explanation : Given,

Amount of codeine per fluid ounce = 60 mg

Now we have to determine the amount of codeine present in one teaspoonful.

As we know that:

1 teaspoonful = 0.5 fluid ounce

As, the amount of codeine per fluid ounce = 60 mg

So, the amount of codeine 0.5 fluid ounce = $\frac{0.5}{1}\times 60mg=30mg$

Thus, the amount of codeine in one teaspoonful is, 30 mg

7 0

3 years ago

The figure shows the skeletal structure in line-angle (line-bond) mode of 2,5-dimethylhexa-1,4-diene. Identify the number of

deff fn [24]

Answer:

There are 22 hydrogen in 2,3,3,5-tetramethylhexane (C10H22)

From the left to the right of the skeletal structure:

1st Main Carbon = 3 hydrogen

2nd Main Carbon = 1 hydrogen

1st Branch Carbon = 3 hydrogen

3rd Main Carbon = 2 hydrogen

2nd Branch Carbon = 3 hydrogen

3rd Branch Carbon = 3 hydrogen

4th Main Carbon = 0 hydrogen

4th Branch Carbon = 3 hydrogen

5th Main Carbon = 1 hydrogen

6th Main Carbon = 3 hydrogen

Total = 22 hydrogen

Explanation:

This is the skeletal formula for 2,3,3,5-tetramethylhexane - the 2D chemical structure. It is an organic compound. The carbon atoms in the structure are known as the carbon backbone. The hydrogen atoms are linked to the carbon backbone. This provides each carbon atom with four bonds.

Explanation:

5 0

3 years ago

The reaction of aluminum metal with oxygen gas typically produces the product with the formula A) Al2O B) Al2O3 C) Al3O2 D) AlO

Marat540 [252]

B because Al is +3 and O is -2

3 0

3 years ago

Read 2 more answers

Which situation would be considered pseudoscience?

katovenus [111]

The lucky necklace as it can't be proven.