CHEMISTRY HIGH SCHOOL

ASAP pleaseee and Thankyou​​
ASAP pleaseee and Thankyou​​ - 1

Answers

Answer 1
Answer:

Answer:

I know the answer, but it is hard to explain

Explanation:

yIt easy u but the single letter in the outside boxes. Then u but the one in the middle box. But the BB in one corner. then but bb on the opposite corner. Then but Bb on the other box.
Answer 2
Answer:

Answer:

father.....Bb

mother.....bb

offspring, 50%Bb brown eyes ,50%bb blue eyes

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The chemical symbol for iron is

Answers

Fe
FeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFeFe
Fe is the chemical symbol for iron FEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

Red blood cells are formed by the in the center cavity of the bones.white cells,holes,capillaries,marrowx

Answers

Red blood cells are formed by the bone marrow in the center cavity of the bones. 

Which of the following environmental risks is most likely to lead to digestive health issues?a. meat contamination
b. air pollution
c. fertilizer use
d. none of the above

Answers


Meat contamination because humans do not eat air or fertilizer so meat contamination is the only logical answer.
meat contamination is following environmental risks that is most likely to lead to digestive health issues.
- - Answer: A

Which element is a liquid at 758 K and standard pressure?(1) gold (3) platinum
(2) silver (4) thallium

Answers

The answer would be Thallium. This is an element with Tl as its chemical symbol and atomic number 81. This soft gray post-transition steel is not originate free in nature. When inaccessible, thallium look like tin, but tarnishes when unprotected to air.

Answer: option (4) thallium.


Explanation:


1) You have to look at the normal boling and mleting points of the elements.


2) To be liquid the normal melting point must be lower than 758 K and the normal boiling point must be greater than 758 K.


3) The look at the data in a handbook of properties or in internet, and build a table.


4) The given temperature, 758K, is 758 - 273.15 = 484.85 °C.



Element                 Normal melting         Normal boiling        State at 484.85 °C

                               point (°C)                   point (°C)


(1) gold                    1064                           2700                      solid

(2) silver                   961.8                          2162                      solid

(3) platinum             1768                            3825                      solid

(4) thallium               303.5                          1457.8                   liquid


Then, the only element of the choices whose melting point is less than 758 K (484.85) and its boiling point is greater than that, at 1 atm is thallium. So, it is liquid.

List five basic steps of the scientific method

Answers

We can reduce it to optic.

Observation is the process of knowing the problem
Prediction is the process of making a hypothesis
Testing is the experimentation
Interpretation is the data analyzation
Conclusion is the implication and ramifications of the study.

A solution is highly concentrated if there is:a large volume of solution

a large amount of solvent and a small amount of solute

a large amount of solute and a small amount of solvent

a high density value for the solution

Answers

TO be saturated you need an amount of solvent that will not dissolve anymore into the solution.  So, the best answer from the list is C
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