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harina [27]
3 years ago
9

Given the reaction:

Chemistry
1 answer:
lisov135 [29]3 years ago
5 0
H20() and NH4+(aqf)
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In the lab, you are given a metal ball. You measure the mass of the ball to be 28 g. You place the ball in a graduated cylinder
KIM [24]

Answer:

Density = 8.75ml

Explanation:

Density = Mass / Volume

In this problem ...

Mass = 28 grams

Volume = 31.4ml - 28.2ml = 32ml (water displacement also)

∴Density = mass /volume = 28g/32ml = 8.75g/ml

8 0
2 years ago
The two reactions illustrated in the diagrams below often occur when a foreign substance enters the body.
zheka24 [161]

The specific proteins produced by cell B in response to the foreign substance are antibodies.

<h3>What are antibodies?</h3>

Antibodies are specific proteins produced by the immune cells of the body in response to a foreign substance called antigen which produces the immune response.

Antibodies are released by immune cells such as B cells.

The antibodies bind to antigen and tag them for destruction by phagocytes.

Therefore, cell B will produce antibodies.

Learn more about antibodies at: brainly.com/question/15382995

7 0
1 year ago
Please help me, will mark brain whoever answers the fastest!
iogann1982 [59]

Page 1  

1: The grass

2: The grasshopper

3: The frog

4: The snake

5: The eagle

Page: 2

The answer is the 2nd one

Page: 3

The owl would because its at the end it would have almost no more sun energy left in whatever it eats.


Hope This Helps :)

3 0
3 years ago
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How many moles would there be in 500,000,000,000 atoms of silver? Show your calculation
muminat

Answer: 3.01 * 10^35

Explanation:

500,000,000,000 * 6.02 * 10^23

4 0
2 years ago
Help help help I will give brainliest
vampirchik [111]

Answer:

its b alkyne

Explanation:

brinliest po plsss

8 0
2 years ago
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