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Natasha_Volkova [10]
3 years ago
5

Which object will experience the strongest gravitational attraction to Earth?

Chemistry
1 answer:
Orlov [11]3 years ago
3 0

Answer:

A

Explanation:

The strength of the gravitational force between two objects depends on mass and distance. The object with the greatest mass would be the car.

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If photosynthesizing green algae are provided with CO2 containing heavy oxygen (18O), subsequent analysis will show that 18O is
pogonyaev

Answer: A. O2

Explanation:

If photosynthesizing green algae are provided with CO2 containing heavy oxygen (18O), subsequent analysis will show that 18O first appears then 3-phosphoglycerate molecule produced by the algae.

8 0
2 years ago
How many grams are in 6.8L of Oxygen gas (O2) at STP
zubka84 [21]

Answer:

9.7 g

Explanation:

From the question,

Note: The molar volume of all gas at stp is 22.4 dm³ or 22.4 L

1 mol of  oxygen gas (O₂) at stp = 22.4 dm³

X mole of oxygen gas (O₂) at stp = 6.8 L

X = (1 mol×6.8 L)/22.4 L

X = 0.3036 mol.

But,

Number of mole (n) = mass (m)/molar mass (m')

n = m/m'

m = n×m'.................. Equation 2

Where n = 0.3036 mol, m' = 32 g/mol

Substitute into equation 2

m = 0.3036×32

m = 9.7 g

4 0
2 years ago
Which functional group is found in an amine?
kirill [66]

Answer:

N is single bonded to R, and single bonded twice to H.

Explanation:

The functional group present in an amine will not be complete without mentioning the nitrogen group present in the compound.

Amines are organic compounds that show appreciable basicity. They are regarded as the derivatives of ammonia where one or two or the three hydrogen atoms has/have been replaced been replaced by alkyl or aryl groups.

  • Amines are classified as primary, secondary or tertiary based on the number of substituted hydrogen atoms they carry.
  • The nitrogen bonded to the R - aryl group and bonded to hydrogen is a good description of the functional group.
8 0
2 years ago
Read 2 more answers
Can someone tell me the answer and how to do the problem?
Wittaler [7]

Answer:

is tht wht u want

Explanation:

1 grams Sodium is equal to 0.043497607849056 mole.

4 0
3 years ago
Why is it important to clean and care for cuts on your skin
alukav5142 [94]
If one does not do so, the cut can lead to being infected with various pathogens and other Bacteria, possibly worsening the Minor injury. Thus taking additional medication and further required time to heal.
6 0
3 years ago
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