3 years ago

Maria rolls a die. What is the chance of her rolling a 4?

Chemistry

2 answers:

Alex73 [517]3 years ago

8 0

If it's a normal 6 sided dice, it'd be 1/6

Citrus2011 [14]3 years ago

3 0

Idk ask your teacher dumbo

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2 FONS

stiv31 [10]

Answer:

C. It decreases by a factor of 4

Explanation:

F1 = kq1*q2/r²

F2 = kq1*q2/(2r)² = kq1*q2/(4r²) = kq1*q2/(r²*4) = F1/4

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2 years ago

The reaction of ammonia and hydrogen chloride gas:

oee [108]

It's replacement reaction. Hope it helped

8 0

2 years ago

Calculate the Kc for the following reaction if an initial reaction mixture of 0.500 mole of CO and 1.500 mole of H2 in a 5.00 li

Temka [501]

Answer:

can you be more clear with your question :

7 0

1 year ago

Jacob's teacher shows his class a shaker filled with table salt. Jacob thinks that the salt in the shaker looks like a s

Elodia [21]

The answer would be c

6 0

2 years ago

The following thermochemical equation is for the reaction of nitrogen(g) with oxygen(g) to form nitrogen dioxide(g). N2(g) + 2O2

Rzqust [24]

<u>Answer:</u> The mass of nitrogen gas reacted to produce given amount of energy is 5.99 grams.

<u>Explanation:</u>

The given chemical reaction follows:

$N_2(g)+2O_2(g)\rightarrow 2NO_2(g);\Delta H=66.4kJ$

We know that:

Molar mass of nitrogen gas = 28 g/mol

We are given:

Enthalpy change of the reaction = 14.2 kJ

To calculate the mass of nitrogen gas reacted, we use unitary method:

When enthalpy change of the reaction is 66.4 kJ, the mass of nitrogen gas reacted is 28 grams.

So, when enthalpy change of the reaction is 14.2 kJ, the mass of nitrogen gas reacted will be = $\frac{28}{66.4}\times 14.2=5.99g$

Hence, the mass of nitrogen gas reacted to produce given amount of energy is 5.99 grams.

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3 years ago