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Juliette [100K]
3 years ago
14

Of the following, which is most likely to result after a farmer sprays his crops with pesticides?

Chemistry
2 answers:
Marysya12 [62]3 years ago
7 0

The correct options are as follows:

1. D.

Pesticides are chemicals that are used by farmers to eliminate pests that are destroying their crops. Pesticides comes in various form and the methods used to apply them vary. Some of the pesticides are apply directly to the soil, in this case, the pesticide can move into the water level of the area and contaminate the water source in that environment. If this happens, the water source in that area will test positive for pesticides.

2. A

Due to different human activities, the quantity of carbon dioxide that is available in the atmosphere these days has increase tremendously and this in turn has result in the amount of carbon dioxide that get dissolved in different water bodies, leading to the acidification of the water, which is unhealthy for the organisms living in the water. Also, carbon dioxide increase in the atmosphere leads to global warming, which leads to increase in the temperature of water bodies. The higher the temperature of the water bodies, the higher the quantity of carbon dioxide that get dissolved in the water. Dissolution of CO2 in water leads to water acidification, which can lead to fish kill.

Anastasy [175]3 years ago
6 0
Of the following, which is most likely to result after a farmer sprays his crops with pesticides?D. A neighbor’s well tests positive for pesticides. 

Carbon dioxide is a colorless, odorless gas. Why is it considered a pollutant? 
A. It gets into natural waters and kills fish.
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What is the percent by mass of oxygen in al2o3 ?
Snezhnost [94]
mr oxygen= 16. 16 x 3= 48
mr Al2O3= 27 + 27 + 48= 102

(48/102) X 100%= 47.05% oxygen
4 0
3 years ago
In an electron dot diagram of propane (C3H8), how many double bonds are present?
NeX [460]

Answer:- none

Explanations:- For naming hydrocarbons we use the suffix -ane, -ene and -yne.

-ane is used when we have only single bonds between all carbons. -ene is used if there is any double bond between two carbons and the -yne is used if there is any triple bond between two carbons.

The given name of the compound is propane. It ends at -ane and so it's an alkane and must have single bonds between all the carbons it has. So, there are zero double bonds present in C_3H_8 .

This is also clear from the below lewis dot structure of the compound.


4 0
3 years ago
Read 2 more answers
PLEASE ASNWR ASAP
Vikki [24]
34.95 atm

lol i hope i’m not too late



4 0
3 years ago
Calculate the volume of dry co2 produced at body temperature (37 ∘c) and 0.970 atm when 25.5 g of glucose is consumed in this re
katrin2010 [14]

I believe the balanced chemical equation is:

C6H12O6 (aq) + 6O2(g) ------> 6CO2(g) + 6H2O(l) 

 

First calculate the moles of CO2 produced:

moles CO2 = 25.5 g C6H12O6 * (1 mol C6H12O6 / 180.15 g) * (6 mol CO2 / 1 mol C6H12O6)

moles CO2 = 0.8493 mol

 

Using PV = nRT from the ideal gas law:

<span>V = nRT  / P</span>

V = 0.8493 mol * 0.08205746 L atm / mol K * (37 + 273.15 K) / 0.970 atm

<span>V = 22.28 L</span>

6 0
3 years ago
How many valence electrons configuration of oxygen?
Ganezh [65]
Oxygen had 6 valence electrons
3 0
3 years ago
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