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Cerrena [4.2K]
3 years ago
11

What do you call the repetitive motion of a wave (such as the way a cork may bob up and down in the ocean)?

Chemistry
1 answer:
matrenka [14]3 years ago
7 0
Answer is periodic because only happens in certain times
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If 3.50 moles of sodium chloride is added to your food, how many grams is added?
Ksenya-84 [330]

Answer:

204.8g

Explanation:

The number of moles of a substance is related to its mass and molecular mass as follows:

mole (n) = mass (m) ÷ molar mass (MM)

According to this question, 3.50 moles of sodium chloride (NaCl) is added to a food.

Molar mass of NaCl = 23 + 35.5

= 58.5g/mol

Using mole = mass/molar mass

Mass = molar mass × mole

Mass = 58.5g/mol × 3.5mol

Mass = 204.75

Mass = 204.8grams.

Therefore, 204.8grams of NaCl or common salt was added to the food.

7 0
3 years ago
How does skin protect humans​
iVinArrow [24]

Answer:

it protects everything inside our body

Explanation:

7 0
4 years ago
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What is the correct name for a molecule containing 2 nitrogen and 4 oxygen?
Yuki888 [10]
Dinitrogen tetroxide
3 0
3 years ago
What kind of feature results from the convergence of two oceanic plates?
Liono4ka [1.6K]

Answer: When a convergent boundary occurs between two oceanic plates, one of those plates will subduct beneath the other. Normally the older plate will subduct because of its higher density. The subducting plate is heated as it is forced deeper into the mantle, and at a depth of about 100 miles (150 km) the plate begins to melt.

Explanation:

4 0
3 years ago
Calculate the root mean square (rms) average speed of the atoms in a sample of xenon gas at 0.15 atm and -55c
GrogVix [38]
Answer:
Vrms is 149.7266 m/sec

Explanation:
The root means square velocity of a gas can be calculated as follows:
Vrms = \sqrt{ \frac{3RT}{M}}
where:
R is the ideal gas constant = 8.3145
T is absolute temperature = -55 + 273 = 118 degrees kelvin
M is the molar mass of the gas = 131.293 grams = 0.131293 kg

Substituting with these givens in the above equation, we would find that the Vrms is 149.7266 m/sec

Hope this helps :)
7 0
4 years ago
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