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ipn [44]
3 years ago
8

Gravity on Earth is 9.8 m/s2, and gravity on the Moon is 1.6 m/s2.

Chemistry
1 answer:
Margaret [11]3 years ago
7 0

Answer: Mass is 40 kg, weight is 64 N

Explanation: Mass is same everywhere, weight G = mg, it depends on acceleration of gravity

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Answer:

is there like a passage to answer this question?

Explanation:

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3 years ago
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Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation:
egoroff_w [7]

The grams  of  oxygen that are required  to produce 1  mole  of H₂O  is 16 g ( answer  B)

<u><em> calculation</em></u>

2 CH₄  + 2NH₃ +3 O₂ → 2HCN  + 6H₂O

step 1: use the mole ratio to find moles of O₂

from equation above the  mole ratio  of O₂: H₂O  is 3:6 therefore the moles of O₂  = 1 mole x3/6 =0.5 moles

step  2: find   mass of O₂

mass= moles x molar mass

from periodic table the molar mass  of O₂ = 16 x2= 32 g/mol

mass O₂ = 0.5 moles x 32 g/mol = 16 g (answer B)

6 0
3 years ago
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If 585.24 Joules of heat are added to 53.2 grams of water at 24.15oC, what will the new temp. be?
spayn [35]
E = mct
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585.24 = 53.2 x 4.2 x (X-24.15)


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2.62 = X - 24.15

X= 26.77degrees C

(Specific heat capacity for water is 4.2 but is different for other liquids)
3 0
3 years ago
Some plants make cones. Other plants make flowers. What is the purpose of flowers and cones
Semenov [28]

Answer:

Both cones and flowers produce seeds and are used for reproduction. ... The male cones release pollen which is carried by the wind to a female cone. A pollen tube is formed and pollen is transferred to fertilize the female cone's egg

5 0
3 years ago
Will mark as Brainliest.
victus00 [196]
The answer is boiling liquids I think
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3 years ago
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