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loris [4]
3 years ago
6

Explain how creativity can play a role in the construction of scientific questions and hypotheses.

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
4 0
Scientific questions and hypotheses come up frequently while one is engaged in investigating a scientific phenomenon such  as natural geological phenomena as may occur in geological mapping in the field. For example, there may be a question does this canyon or deeply incised valley which is quite straight follow a weakness in the earth's crust like a major fault or the direction of bedding in well bedded sedimentary rocks. In a particular topographic area, some hypotheses which may be developed is that valleys follow geological structure whereas ridges follow resistant rocks like quartzites or quartz sandstones or in the ocean, points or capes may represent resistant quartz sandstones and bays may represent weak soft shales recessively weathering
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Calculate the molar mass for NaOH
Makovka662 [10]

Answer:

39.998

Explanation:

Hello, have a periodic table handy!

Molar mass is the molecular weight of a compound; sum of all of the mass in grams (from the periodic table) from each and specific atom.

In the periodic table, the molecular weight of an atom is usually shown on the bottom of the element.

In NaOH, there are three atoms in that compound. Na (sodium), O (oxygen), and H (hydrogen).

For Na, the molecular weight is 22.99

For O, the molecular weight is 16.00

For H, the molecular weight is 1.008.

Add all of those values up together to get the molar mass of NaOH being 39.998

8 0
3 years ago
What mass of oxygen forms from 71.89 g CO2? Use the periodic table to find molar masses.
Paraphin [41]
Atomic mass C = 12.0107
Atomic mass O= 15.9994
Calculate the molecular mass of the CO2
12.0107 + (2 x 15.9994) = 44.0095

Multiply the mass of CO2 by the conversion factor that relate the O mass to the molecular mass of CO2 to find the mass of O in the 71.89g of CO2

71.89 g CO2 x (2 x 15.9994) / 44.0095 =

52.2703900748702

52.27 g O

8 0
4 years ago
Below is mgo. draw the structure of co2 and use curved arrows to show the movement of electron pairs. include lone electron pair
Mila [183]
The explanation with diagram is attached below 

4 0
3 years ago
Read 2 more answers
What happens to the particles in matter when hear energy is added to them
Ipatiy [6.2K]
There are two possible situations.
1) If a phase change is not occurring, then the heat added contributes to increased translational energy of the particles. What that means is the particles move/vibrate faster.
2) If a phase change is occurring, then the heat added contributes to the breaking of bonds or intermolecular forces (depending on the chemical nature of the matter you're dealing with).
4 0
4 years ago
Which daughter element is produced from the beta decay of 89/36 kr
Vesnalui [34]

Answer:

89 37 Rb

Explanation:

just the facts

6 0
4 years ago
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