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Karolina [17]
3 years ago
15

Review the wind chill chart. Which identifies the wind chill for these conditions? The outside temperature is 15 degrees fahrenh

eit, and the wind speed is 25 miles per hour.
A. 10 degrees Fahrenheit
B. 25 degrees Fahrenheit
C. -4 degrees Fahrenheit
D. -8 degrees Fahrenheit
Chemistry
2 answers:
Alexxx [7]3 years ago
6 0

the answer is C. ( hope this helps!)

Vilka [71]3 years ago
4 0
The answer is C. -4 degrees Fahrenheit

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What exacerbates the heat waves?
KIM [24]

Answer:

A heatwave occurs when a system of high atmospheric pressure moves into an area and lasts two or more days.

Explanation:

In such a high-pressure system, air from upper levels of our atmosphere is pulled toward the ground, where it becomes compressed and increases in temperature.

5 0
2 years ago
You work for a cutlery manufacturer who wants to electrolytically precipitate 0.500 g of silver onto each piece of a batch of 25
ICE Princess25 [194]

Answer:

373.1 mL of AgCN (aq) must be poured into your electrolysis vat to ensure you have sufficient Ag to plate all of the forks.

Explanation:

Mass of silver to be precipitated on ecah spoon = 0.500 g

Number of silver spoons = 250

Total mass of silver = 250 × 0.500 g = 125 g

Moles (n)=Molarity(M)\times Volume (L)

Moles of AgCN = n  = \frac{125 g}{134 g/mol}=0.9328 mol

Volume of AgCN solution =V

Molarity of the AgCN = 2.50 M

V=\frac{0.9328 mol}{2.50 M}=0.3731 L=373.1 mL

(1 L = 1000 mL)

373.1 mL of AgCN (aq) must be poured into your electrolysis vat to ensure you have sufficient Ag to plate all of the forks.

6 0
3 years ago
Lemon juice has a pH of about 2.0, compared with a pH of about 1.0 for stomach acid. Therefore, the concentration of H in stomac
Tamiku [17]

Answer: the concentration of H in the stomach acid is greater than that of the lemon juice

Explanation:Please see attachment for explanation

8 0
3 years ago
How many milligrams of AgNO3 is required to completely react with 81.5 mg LiOH?
BartSMP [9]

Answer:

m_{AgNO_3}=577.6mg

Explanation:

Hello there!

In this case, according to the given chemical reaction, it is first necessary to compute the moles of reacting LiOH given its molar mass:

n_{LiOH}=81.5mg*\frac{1g}{1000mg}*\frac{1mol}{23.95g}  =0.0034molLiOH

Thus, since there is a 1:1 mole ratio between lithium hydroxide and silver nitrate (169.87 g/mol) the resulting milligrams turn out to be:

m_{ AgNO_3}=0.0034molLiOH*\frac{1molAgNO_3}{1molLiOH} *\frac{169.87gAgNO_3}{1molAgNO_3} *\frac{1000gAgNO_3}{1gAgNO_3} \\\\m_{AgNO_3}=577.6mg

Best regards!

7 0
2 years ago
Name the Place where crude oil was first discovered in Nigeria.​
Xelga [282]
Answer:
Crude Oil was first discovered in Oloibiri, in Nigeria's Bayelsa State, in 1956.

Hope it helps u!
5 0
3 years ago
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