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Neko [114]
3 years ago
5

Shaila is collecting data to calculate the density of a piece of wood. First, she

Chemistry
1 answer:
zzz [600]3 years ago
4 0

Answer:

Explanation:

Remark

You have 2 facts that you got from the experiment. The first is that the mass of the wood is 63.85 grams and the volume can be calculated.

From there, the desity can be found.

Givens

m = 63.85 grams

vo = 50 mL

vf = 125 mL

Solution

Volume = vf - vo

Volume = 125 mL - 50 ml. This gives you the amount of water that has been moved aside (called displaced)

volume = 75 mL

D = 63.85 grams/ 75 mL

D = 0.851 grams / mL

Some woods actually do have a density less than 1 which is the density of water. These woods float.

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What might be your reference point other than yourself if you determine that the dog is not moving?
Anettt [7]

Complete statement:

Suppose your in the car with the dog. What might be your reference point other than yourself if you determine the the dog is not moving.

Answer:

The car

Explanation:

A reference point is a place or object used for comparison to determine whether something is in motion. If the dog is in the car with me, and the reference point would be the car other than me. For a car, the dog is also not in the motion.

3 0
4 years ago
Which statement gives an example of asexual reproduction (A.a new potato plant grows from a potato (B.two worms mate and produce
Svetradugi [14.3K]
Asexual reproduction involves the production of offspring without the need for a secondary partner to contribute genetic information.

Pollination and mating are two forms of sexual reproduction, so B, C, and D are incorrect. A, because the new potato grows directly from the old without the contribution of new genetic material, asexually reproduces.
5 0
3 years ago
Read 2 more answers
What does collide mean
Gala2k [10]

Answer:

hit with force when moving.

"she collided with someone"

Similar:

crash (into)

come into collision (with)

bang (into)

slam (into)

impact (with)

hit

strike

run into

meet head-on

smash into

smack into

cannon into

plow into

bump into

crack into/against

knock into

dash against

barrel into  -

come into conflict or opposition.

"in his work, politics and metaphysics collide"

Explanation:

7 0
3 years ago
Find the mass of 3.60x10^24 atoms of magnesium?
Arturiano [62]

Answer:

The answer to your question is 8.75 x 10 ²⁵ atoms of Magnesium

Explanation:

Data

Atomic mass of Magnesium = 24.31 g

Atoms of magnesium = 3.60 x 10²⁴

Process

Solve this porblem using a rule of three

             

           1 atom of Magnesium ---------------  24.31 g

           3.60 x 10²⁴                  ----------------    x

           x = (3.60 x 10²⁴ x 24.31) / 1

           x = 8.75 x 10 ²⁵ atoms

3 0
4 years ago
How many moles of silver oxide (l) are needed to produce 4 moles of silver?
ozzi

The number of moles of silver oxide (I) needed to produce 4 moles of silver is 2 moles

<h3>Stoichiometry </h3>

From the question, we are to determine the number of moles of silver oxide (I) needed to produce 4 moles of silver

First, we will write the balaced chemical equation for the decomposition of silver oxide (I)

2Ag₂O(s) → 4Ag(s) + O₂(g)

This means, 2 moles of silver oxide (I) [Ag₂O] decomposes to give 4 moles of <u>silver </u>and 1 mole of oxygen gas.

From the <em>balanced chemical equation</em>, it is easy to deduce the number of moles of silver oxide (I) that would give 4 moles of silver.

Hence, the number of moles of silver oxide (I) needed to produce 4 moles of silver is 2 moles

Learn more on Stoichiometry here: brainly.com/question/18834543

7 0
3 years ago
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