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3 years ago

Which physical method can separate a mixture of steel ball bearings and marbles?

2 answers:

5 0

I believe the answer is Sorting, If not it is Filtration. If its neither of those, please give us options to pick from. If correct, please mark as branliest

olchik [2.2K]3 years ago

4 0

A magnet will attract the ball bearings but not the marbles.

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Which side does the light always start from?

jarptica [38.1K]

Answer:

in prism

it's from the rectangular reflecting surface

7 0

2 years ago

Initially, [NH3(g)] = [O2(g)] = 3.60 M; at equilibrium [N2O4(g)] = 0.60 M. Calculate the equilibrium concentration for NH3.

natima [27]

The question is incomplete, here is the complete question:

Consider the reaction $4NH_3(g)+7O_2(g)\rightarrow 2N_2O_4(g)+6H_2O(g)$

Initially, $[NH_3(g)]=[O_2(g)]$ = 3.60 M; at equilibrium $[N_2O_4(g)]=0.60M$ . Calculate the equilibrium concentration for $NH_3$

Answer: The equilibrium concentration of ammonia is 2.8 M

Explanation:

We are given:

Initial concentration of $[NH_3(g)]$ = 3.60 M

Initial concentration of $[O_2(g)]$ = 3.60 M

For the given chemical equation:

$4NH_3(g)+7O_2(g)\rightarrow 2N_2O_4(g)+6H_2O(g)$

Initial: 3.60 3.60

At eqllm: 3.60-4x 3.60-7x 2x 6x

We are given:

Equilibrium concentration of $[N_2O_4(g)]$ = 0.60 M

Evaluating the value of 'x'

$\Rightarrow 2x=0.60\\\\\Rightarrow x=\frac{0.60}{2}=0.2$

So, equilibrium concentration of $NH_3=(3.60-4x)=(3.60-(4\times 0.2))=2.8M$

Hence, the equilibrium concentration of ammonia is 2.8 M

6 0

3 years ago

A ball is dropped from a height of 20 feet onto a trampoline. When it hits the trampoline, it creates a 2-foot depression in the

Alisiya [41]

The trampoline's elastic potential energy is transformed into kinetic energy when it returns to its original position.
The ball's gravitational potential energy become kinetic energy when it drops. Pls give brainliest

8 0

3 years ago

Acid rain is closely associated with _______________. select one:

DENIUS [597]

I'm pretty sure its B or C. Sorry, hope this helped some....??

3 0

3 years ago

Answer and I will give you brainiliest

Leviafan [203]

Answer:

solid brainly please

Explanation:

a table is closley compact that is why our hand cant go through it

6 0

4 years ago

Read 2 more answers