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2 years ago

Which functional group is within the compound shown below?

Chemistry

1 answer:

mamaluj [8]2 years ago

4 0

Answer:

A. Amino

example phenylalanine

Explanation:

B. Ester is R-CO-OR

example nitroglycerin

C. Hydroxyl R-OH

example ethanol

D. Carbonyl R-(C=O)-R

examples formaldehyde

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What do most logging methods have in common

aalyn [17]

All logging methods cause soil erosion. Logging upsets the base of the soil in the forest which in turn damages the roots of the trees. The roots die and break down when they are being damaged which makes the soil become looser. Logging activities also removes the protective coat that covers the forest floor.

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3 years ago

If you could help me that would be awesome

elixir [45]

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3 years ago

Plz answer question number 1,2,4,5 and 6

yulyashka [42]

Answer:

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3 years ago

Select the reagent that will separate the pairs of ions listed.

daser333 [38]

1 - a, 2-b, 3-d, 4 - e

Explanation:

$A g^{+} \text {and } A l^{3+}$ - Separated by 6M HCl

Silver and aluminum ions can be separated using the acid, 6M HCl.

$C u^{2+} \text { and } C a^{2+}$ - Separated by H₂S

Copper and Calcium ions can be separated by the reagent hydrogen sulfide, H₂S.

$M g^{2+} \text { and } K^{+}$ - Separated by (NH₄)₂HPO₄ in NH₃

Magnesium and Potassium ions can be separated by the reagent Ammonium hydrogen phosphate in ammonia.

$N i^{2+} \text { and } C o^{2+}$ - cannot be separated

Nickel and Cobalt ion cannot be separated by the reagents given at all.

8 0

3 years ago

2. In a chemistry experiment, 10 g of urea NH2CONH2 (s) is dissolved in 150 ml of water in a simple calorimeter. A

bagirrra123 [75]

Answer:In a chemistry experiment, 10g of urea, NH2CONH2 (s), is dissolved in 150 mL of water in a simple calorimeter. A temperature decrease of 3.7oC is measured. Calculate the molar enthalpy of solution (∆Hs). ... an ideal gas B if 0.622 g sample of gas B occupies a volume of 300 mL at 35 °C and 1.038 atm.

Explanation:

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3 years ago