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3 years ago

Farmers spray pesticides to protect fruits from pests. What is a possible harmful effect of using pesticides

Chemistry

2 answers:

slava [35]3 years ago

6 0

Answer:c is the answer

Explanation:because im smart

dsp733 years ago

5 0

The fertilizer they're putting down on the fields, will eventually run into waterways and contaminate the water and make the PH levels out of wack and cause the water to be polluted, it will also cause coral bleaching

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Given 7.40 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100

Dafna11 [192]

On complete conversion (100% yield) 9.75 g of ethyl butyrate will be produced. Below is the solution.....

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4 years ago

makvit [3.9K]

They are both made up of the same protein called "histones".

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3 years ago

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A 0.100 M solution of bromoacetic acid (BrCH2COOH) is 13.2% ionized. Calculate [H+]? Calculate BrCH2COO^ - ? Calculate BrCH2COOH

Natali [406]

Answer: The concentration of hydrogen ion and bromoacetate ion is 0.0132 M and 0.0132 M resepectively and that of bromoacetic acid is 0.0868 M

Explanation:

We are given:

Molarity of bromoacetic acid = 0.100 M

Percent of ionization = 13.2 %

The chemical equation for the ionization of bromoacetic acid follows:

$BrCH_2COOH\rightarrow BrCH_2COO^-+H^+$

1 mole of bromoacetic acid produces 1 mole of bromoacetate ion and 1 mole of hydrogen ion

Molarity of hydrogen ion = 13.2 % of 0.100 = $\frac{13.2}{100}\times 0.100=0.0132M$

Molarity of bromoacetate ion = molarity of hydrogen ion = 0.0132 M

Molarity of bromoacetic acid = Molarity of solution - Molarity of ionized substance

Molarity of bromoacetic acid = 0.100 - 0.0132 = 0.0868 M

Hence, the concentration of hydrogen ion and bromoacetate ion is 0.0132 M and 0.0132 M resepectively and that of bromoacetic acid is 0.0868 M

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3 years ago

Will an empty balloon have precisely the same apparent weight on a scale as a balloon filled with air? Explain.

hram777 [196]

The notion an empty balloon have precisely the same apparent weight on a scale as a balloon filled with air depends on the diameter of the balloon. The weight of the balloon filled with air is equal to the mass of the balloon and the mass of the air inside. The mass of air inside is equal to the density of air multiplied by the volume of the balloon. If the balloon is large, then the two masses are equal whereas if not, the mass of air inside the inflation is neglible

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4 years ago

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When a 500. gram sample of water at 19.0°C absorbs 8400 Joules of heat, the temperature of the water

Westkost [7]

Answer: 23.0ºC

Explanation:

Just trust me

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3 years ago