3 years ago

In which situation are unbalanced forces acting on an object?(1 point)

Chemistry

1 answer:

Alex Ar [27]3 years ago

7 0

Answer:

1. Two people stand on the same side of a large tire. Both people pull the tire with equal force.

2. an object’s ability to not change its motion

3. The car moves forward, while inertia keeps the balloon in place.

4. The unbalanced forces of air resistance and gravity slow the airplane and pull it down.

5. The force acting on the object must be unbalanced.

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A gas stp is 4.38 L how many moles are there ?

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Answer:

There are 0.195 moles.

Explanation:

1 mol of any gas under STP (meaning 1 atm and 273 K) will occupy 22.4 liters.

With the information above in mind, we can calculate how many moles will occupy 4.38 liters:

4.38 L * 1 mol / 22.4 L = 0.195 mol

In 4.38 liters of a gas at STP there will be 0.195 moles.

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what’s the chemical equation for production of potassium vapor and molten sodium chloride from molten potassium chloride and mol

elena-14-01-66 [18.8K]

Answer:

$\huge\boxed{\sf KCl_{(aq)}+Na_{(aq)} \longrightarrow K_{(l)}+NaCl_{(aq)}}$

Explanation:

Chemical formulas for every compound:

Potassium vapor => $K_{(l)$

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Molten Potassium chloride => $KCl_{(aq)}$

Molten Sodium Metal => $Na_{(aq)}$

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$KCl_{(aq)}+Na_{(aq)} \longrightarrow K_{(l)}+NaCl_{(aq)}$

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