3 years ago

What determines the reactivity of an akali metal?

1 answer:

7 0

Answer:

The number of valence electrons determines an element's reactivity, or how likely the element is to react with other elements.

Explanation:

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BaLLatris [955]

<u>Answer:</u> The time taken by jet plane to reach Los Angeles from Chicago is 3.5 hours

<u>Explanation:</u>

Speed is defined as the rate at which an object moves with respect to time.

To calculate the time taken for the given speed, we use the equation:

$s=\frac{d}{t}$

where,

s = speed of the jet plane = 800 km/hr

d = distance traveled = 2800 km

t = time taken by jet plane = ?

Putting values in above equation, we get:

$800km/hr=\frac{2800km}{t}\\\\t=\frac{2800km}{800km/hr}=3.5hr$

Hence, the time taken by jet plane to reach Los Angeles from Chicago is 3.5 hours

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3 years ago

qaws [65]

Answer:

what do you need help with i cant see it

Explanation:

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3 years ago

shusha [124]

Ho123 right I’m sorry of I’m wrong

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2 years ago

Nina [5.8K]

Molar mass Mg = 24.3 g/mol

1 mole mg ------------ 24.3 g
?? moles mg --------- 4.75 g

4.75 x 1 / 24.3 => 0.195 moles of Mg

hope this helps!

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3 years ago

melamori03 [73]

Salt makes the freezing point of water decrease, so it would freeze at a warmer temperature than regular water

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3 years ago