4 years ago

Question 11 0

Chemistry

1 answer:

Damm [24]4 years ago

3 0

D) an ionic solid , should be correct

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What is the balanced equation for Al+FeN2>AlN+Fe

STALIN [3.7K]

Answer:2 AL + FEN2 = 2 ALN + FE

Explanation: AL might be an improperly capitalized: Al. One of your compounds is AL (A and L). Did you mean Al (aluminum)?

FEN2 might be an improperly capitalized: FeN2. ALN might be an improperly capitalized: AlN

FE might be an improperly capitalized: Fe

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4 years ago

Why do birds have hollow bones

Minchanka [31]

$Hollow \: bones \: are \: also \: called \\ pneumatized \: bones, \: meaning \: they're \: filled \\ with \: space \: for \: air. \: It \\ is \: thought \: that \: this \: structure \\ helps \: with \: oxygen \: intake \: during \\ flight. \: Air \: sacs \: are \: attached \: to \\ the \: hollow \: areas \: in \: a \: bird's \: bones. ... \\ This \: adds \: more \: oxygen \: to \\ the \: blood, \: providing \: a \\ bird \: with \:extra \:energy \:for\: flight.$

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3 years ago

=> The approximate mss of an electron is 1/10²⁷ g , Calculate the uncertainty in its velocity if the uncertainty in its posit

nasty-shy [4]

Answer:

Δx(m.Δv)=h/4π

here ,

Δv = uncertainty in velocity

10−11×10−27×Δv=6.626×10−34/4×22/7

=5.25×103ms−1

3 0

1 year ago

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Phosphorous acid, H 3 PO 3 ( aq ) , is a diprotic oxyacid that is an important compound in industry and agriculture. p K a1 p K

Novay_Z [31]

Answer:

a. 0.60

b. 1.30

c. 4.00

d. 6.70

e. 10.20

Explanation:

The 3 attached files shows a comprehensive solution

to the problems with answers highlighted as above

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How many molecules of hydrogen chloride gas could theoretically be produced at STP by reacting 34.7 liters of hydrogen gas at ST

Kamila [148]

Answer:

69.4

Explanation:

There isn't one, I just took the test.

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3 years ago