3 years ago

In the photo, what does the green line with the arrow represent? M

Chemistry

1 answer:

antoniya [11.8K]3 years ago

4 0

Answer:

if im not mistaken that's a jetstream

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emmasim [6.3K]

Answer:

b) carboxylic acid ..........

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3 years ago

Predict which of the following transition metal ions has a color Cr3+, Cd2+, Hg2+, V2+

Delicious77 [7]

Answer:

Cr3+ is green and V2+ is purple. Cr3+ and V2+ are both d3 so there can be a lot of movement between energy levels to produce colored light. Cd2+ and Hg2+ are both d10 (full d orbital, much less electron movement).

Explanation:

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3 years ago

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Which of the different components of smog depicted in the graph are most likely released from automobile exhaust?

CaHeK987 [17]

Answer:

B, B and C

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3 years ago

3.25 x 10+8 nm2 divide by 6.5 x 10+6 nm =

Vesnalui [34]

Answer: 50 nm

Explanation: Two steps:

1. Divide 3.25/6.5 = 0.5

2. Divide 10^8/10^6 = 10^2

nm^2/nm = nm

Combine: 0.5x10^2 nm

or 50 nm

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3 years ago

The volume of a sample gas, initially at 25 C and 158 mL, increased to 450 mL. What is the final temperature of the sample of ga

Rashid [163]

Answer:

Final temperature of the gas is 576 $^{0}\textrm{C}$ .

Explanation:

As the amount of gas and pressure of the gas remains constant therefore in accordance with Charles's law:

$\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}$

where $V_{1}$ and $V_{2}$ are volume of gas at $T_{1}$ and $T_{2}$ temperature (in kelvin scale) respectively.

Here $V_{1}=158mL$ , $T_{1}=(273+25)K=298K$ and $V_{2}=450mL$

So $T_{2}=\frac{V_{2}T_{1}}{V_{1}}=\frac{(450mL)\times (298K)}{(158mL)}=849K$

849 K = (849-273) $^{0}\textrm{C}$ = 576 $^{0}\textrm{C}$

So final temperature of the gas is 576 $^{0}\textrm{C}$ .

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3 years ago