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2 years ago

Can an Atom be broken down into a smaller substance? Yes or No Explain.

Chemistry

2 answers:

Pepsi [2]2 years ago

7 0

Yes it can as it’s made of protons neutrons and electrons which is how we break the atoms down

Nuetrik [128]2 years ago

6 0

Answer:

Yes

Explanation:

A atom is made out of 3 elements, protons which are positive charges, electrons which are negative charges that swirl around the atom, and a neutron with a neutral charge. The nucleus of the atom is basically the center of the atom.

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Which of the following was NOT suggested by Rutherford’s gold foil experiment?

Phoenix [80]

Answer: The Answer is C.

Explanation: The Nucleus only makes up less than .01% of the volume of the Atom. The Nucleus does contain more than 99.9% of the mass of the Atom. I hope that this helps you! Good luck!

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2 years ago

The thermostat in a refrigerator filled with cans of soft drinks malfunctions and the temperature of the refrigerator drops belo

butalik [34]

Answer:

Explanation:

Water expands on freezing and there is more water in the diet drinks than in the other drinks.

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2 years ago

Read 2 more answers

A relatively simple way of estimating profit is to consider the the difference between the cost (the total spent on materials an

Maksim231197 [3]

Answer: it shows that 1mol mCPHA provides the oxygens to 1 mol of propene, to make 1 mole of C3H6O so: 1 mol C3H6 & 1 mol mCPHA --> 1 mol C3H6O using molar masses, that equation becomes: 42.08grams C3H6 & 172.57grams mCPHA --> 58.08grams C3H6O which is: 42.08 kg C3H6 & 172.57 kg mCPHA --> 58.08 kg C3H6O to produce 1 kg of C3H6O, this becomes: 42.08 / 58.08 kg C3H6 & 172.57 / 58.08 kg mCPHA --> 58.08 /58.08 kg C3H6O which is: 0.72452 kg C3H6 & 2.9712 kg mCPHA --> 1 kg C3H6O but because the reaction gives only a 96% yield, we scale up the reactants to get that desired 1 kg of C3H6O (0.72452 kg ) (100/96) C3H6 & (2.9712 kg) (100/96) mCPHA --> 1 kg C3H6O which is: 0.75471 kg C3H6 & 3.095 kg mCPHA --> 1 kg C3H6O ========= costs per kg of C3H6O produced: (0.75471 kg C3H6) ($10.97 per kg) = $8.279 (3.095 kg mCPHA) ($5.28 per kg) = $16.342 & (0.75471 kg C3H6) / (0.0210 kg C3H6 / L dichloromethane) = 35.939 Litres dichloromethane (35.939 Litres dichloromethane) ($2.12 per L) = $ 76.19 & waste disposal is $5.00 per kilogram of propene oxide produced total cost, disregarding labor,energy, & facility costs: $8.279 & $16.342 & $ $ 76.19 & $5.00 = $105.81 per kg C3H6O produced ========== profit: ($258.25 / kg C3H6O) - ($105.81 cost per kg) = $152.44 profit /kg â€śCalculate the profit from producing 75.00kg of propene oxideâ€ť (75.00kg) ($152.44 /kg) = $11,433 that answer rounded off to four sig figs, is $11,430

7 0

3 years ago

What is the number of protons and electrons in a neutral atom of Lithium?

nadya68 [22]

If you look at the periodic table you will see the atomic number (the smaller number) which is 3. that identifies how many protons there are. since the lithium is neutral that means there’s a same amount of electrons.

therefore there’s 3 electrons and 3 protons

3 0

2 years ago

4. Identify the different parts to this word problem. A bowling ball of 35.2kg, generates 218 kg.m/s units of momentum. What is

Dafna1 [17]

Given:

Mass of the ball = 35.2 kg

Momentum = 218 kg m/s

To determine:

The velocity of the ball

Explanation:

Momentum (p) of an object is the product of its mass (m) and velocity (v)

p = m*v

v = p/m = 218 kg.ms-1/35.2 kg = 6.19 m/s

Ans: The velocity of the ball is 6.19 m/s

3 0

3 years ago