3 years ago

1 webbed feet 2wing structure 3beaks 4 eye color

Chemistry

2 answers:

malfutka [58]3 years ago

7 0

I believe it's webbed feet

antoniya [11.8K]3 years ago

7 0

Explanation:

webbEd feeetttttt ...........

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Letter D is the answer

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True or False: the force of attraction that holds two atoms together is called a chemical bond

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A solution of NaOH is titrated with H2SO4. It is found that 20.05 mL of 0.3564 M H2SO4 solution is equivalent to 43.42 mL of NaO

Darya [45]

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Explanation:

To calculate the concentration of base, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $H_2SO_4$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=2\\M_1=0.3564M\\V_1=20.05mL\\n_2=1\\M_2=?\\V_2=43.42mL$

Putting values in above equation, we get:

$2\times 0.3564M\times 20.05mL=1\times M_2\times 43.42mL$

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Thus, the concentration of NaOH is, 0.336 M

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3 years ago

What needs to happen for the equation CH4 + O2 → CO2 + H2O to be balanced?

worty [1.4K]

B. This is because the Hydrogen and Oxygen need balanced out.

Current-

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Adding a coefficient of 2 before oxygen in the reactants and H2O in the products would balance this equation

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4 years ago

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