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nalin [4]
3 years ago
14

6. Which of the following labels for the picture below is correct? a) Solute + solvent = solution b) Solvent + solute = saturati

on c) Solvent + solute = soluble d) Solvent + solute = solution ​
Chemistry
1 answer:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

answer is a since solute dissolve a solvent to give a solution

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Which of these is an example of sexual reproduction, involving meiosis?
lesya692 [45]

Answer:

A bacterium splits in half, forming two new bacteria

Explanation:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information

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3 years ago
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The densities of several gases at the same temperature are listed below. Considering only density, waves should travel fastest i
melomori [17]

The answer is helium 0.09 kg/m³.

The wave will move faster in the gas that is having lowest density.

As comparison to other gases-hydrogen, oxygen and  radon; helium has the lowest density that is 0.09 kg/m³.

So, waves will move fastest in helium gas as it is having lowest density.

So the answer is helium gas that is waves will move fastest in helium gas.

3 0
3 years ago
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A gene is being copied to be passed from a parent to an offspring. While being copied from the parent, a
motikmotik
Mutation. Called this because the other possible answers do not equal a copying error, mutations affect the outcome.

4 0
3 years ago
Four different objects are placed on a number line at 0. The chart describes the motion of each object. Using the information in
mote1985 [20]

The chart with the information to answer this question may be found in other Brainly's link, so I attach it now.

Answer:

  • Z

Explanation:

To facilitate the accompaniment of the reasoning, I copy the data here:

Object     Motion

  X           3 units left, 3 units right

  Y           6 units right, 18 units right

  W          8 units left, 24 units right

  Z          16 units right, 8 units left

The <em>distance</em> is the scalar magnitude that indicates the total length of the path traveled.

The <em>displacement</em> is the vector that indicates how far the end point and the initial point are.

In order to calculate the distance, the displacement and the ratio r = distance/displacement, to check which object has a distance that is three times as great as its displacement, i.e. r = 3, we use this new chart:

Object    Motion                                    Distance     Displacement  ratio

  X          3 units left, 3 units right        3 + 3 = 6       3 - 3 = 0            ∞

  Y          6 units right, 18 units right    6 + 18 = 24    6 + 18 = 24       1

  W         8 units left, 24 units right      8 + 24 = 32   -8 + 24 = 16     2

  Z          16 units right, 8 units left       16 + 8 = 24    16 - 8 = 8         3

The ratios were calculated dividing the distance by the displacement: distance / displacement.

For the object Z, that was 24 / 8 = 3. Thus, the object that has a distance that is three times as great as its displacement is the object Z.

8 0
3 years ago
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A 10.0 g sample of an unknown liquid is vaporized at 120.0°C and 5.0 atm. The volume of the vapour is found to be 568.0 mL. The
Minchanka [31]

Answer:

molecular formula of liquid = C₈H₁₈

Explanation:

First we determine the empirical formula of the liquid:

Number of moles of each element present in the liquid = % mass / molar mass

For Carbon, (molar mass = 12.01 g/mol) : 84.2/12.01 =7.011 moles

For Hydrogen (molar mass = 1.01 g/mol) : 15.8/1.01 = 15.643

Simplest mole ratio of the elements, C : H  is given by:

C = 7.011/7.011 = 1.0

H = 15.643/7.011 = 2.23

Multiplying through with 5, C:H = 5:11

Therefore, empirical formula is C₅H₁₁

The molecular mass of the liquid is next determined:

Using PV = nRT to find the number of moles of the liquid present

P = 5.0 atm; V = 568.0 mL = 0.568 L; R = 0.082 L*atmmol⁻¹ K⁻¹; T = 273 + 120 = 393 K

n = PV/RT = (5*0.568)/0.082*393

n = 0.088 moles

Molar mass of liquid = mass/no of moles = 10.0 g/ 0.088 moles = 113.63 gmol⁻¹

Molecular formula = n(empirical formula)

Molar mass of empirical formula, C₅H₁₁ = 71 gmol⁻¹

n = molecular mass/empirical mass = 113.63/71 = 1.6

Therefore, molecular formula =  1.6*(C₅H₁₁) = C₈H₁₈

6 0
3 years ago
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