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Ivahew [28]
3 years ago
8

How many protons and electrons are contained in an atom of element 44?

Chemistry
2 answers:
vitfil [10]3 years ago
5 0

Answer:

44

Explanation:

protons and electrons have the same number:)

Andrews [41]3 years ago
5 0

Answer: element 44 = atomic # 44 44 protons 44 electrons.

Explanation:

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Anna35 [415]

Answer:

wind has resistance, 10 mph of wind has more than 0 mph

7 0
2 years ago
If two people attempt the same maneuver, what determines the amount of force that each is required to exert?
Helen [10]

Answer:

Explanation:

you need to change either the turn of the jump or push off higher or lower from the wall

3 0
3 years ago
Explain how you know it must be oxygen. Where
kaheart [24]

Answer:

oxygen is a present in our atmosphere and mixed with other gases on the surrounding screen plants are also measure source of getting oxygen they take carbon dioxide from making their food by for the cities and give away oxygen in return

Explanation:

most of the earth oxygen comes from tiny Ocean plants are called phytoplaston

4 0
2 years ago
What mass of O2 is needed to completely react with 500 g of Fe
Zina [86]

Answer:

solution given:

Explanation:

4Fe +3O2------------>2Fe2O3

4mole. 3mole. 2 mole

224g. 96g. 320g

we have

224 g of fe needed to react completely with 96 g of O2

500g of fe needed to react completely with

96 ×500/224=214.3g of O2

214.3g of O2 is a required answer.

8 0
2 years ago
At 333 k, which of the pairs of gases below would have the most nearly identical rates of effusion?
rjkz [21]
E. co and n2Effusion is the process where gas escapes through a hole. Gases with a lower molecular mass effuse more speedy than gases with a higher molecular mass. R<span>elative rates of effusion is related to the molecular mass.
a) M(N</span>₂)/M(O₂) = 28/32 = 0,875
b) M(N₂O)/M(NO₂) = 44/46 = 0,956
c) M(CO)/M(CO₂) = 28/44 = 0,636
d) M(NO₂)/M(N₂O₂) = 44/58= 0,758
e) M(CO)/M(N₂) = 28/28 = 1, <span>CO and N</span>₂ <span>have iexact molecular masses and will effuse at nearly identical rates.</span>
8 0
3 years ago
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