Answer:
I think it's Dmitri Mendeleev
Explanation:
The continued use of <u>pesticide</u> often causes insects to become <u>immune </u>to the chemical compounds.
Pest control agents are compounds known as pesticides. Herbicides, insecticides, nematicides, molluscicides, piscicides, avicides, rodenticides, bactericides, repellents for insects and animals, microbicides, fungicides, and lampricides fall under this category.
Cancers, birth deformities, reproductive injury, immunotoxicity, neurological or developmental toxicity, including endocrine system disturbance are just some examples of documented chronic consequences. The impacts of pesticides are more likely to affect some people than most others.
Therefore, The continued use of <u>pesticide</u> often causes insects to become <u>immune </u>to the chemical compounds.
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Answer:
Option 4 : 56.28g
Explanation:
2H2O ---> 2H2 + O2
Step 1: calculating moles O2
⇒For each mole O2 we have 2 moles of H2
1) (50.00g O2)/(32.00g/mol O2) = 1.563mol O2
⇒For each mole O2 we have 2 moles of H2, so we multiply moles of O2 by 2 to get moles of H2O
Step 2: Calculating moles H2O
2) (1.563mol O2)(2mol H2O/1mol O2) = 3.125mol H2O
Step 3: Calculating mass H2O
3. (3.125mol H2O) * (18.01g/mol H2O) = 56.28g H2O
We need 58.28g H2O to make 50.00g O2
Answer:
Explanation:
check the attachment for the structure diagrams
Assuming you mean one valence electron, these are classified as alkali metals. Or in other words Group I or the first group going up and down vertically.