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DochEvi [55]
3 years ago
10

1. What is the angular distance north or south from the earth's equator beginning at

Chemistry
1 answer:
Vlada [557]3 years ago
5 0

Answer:

c. Latitude

Explanation:

The angular distance north or south from the earth's equator beginning at 0° at the equator and ending at 90° of either pole is the latitude.

The equator is a line of latitude that divided the earth into two hemispheres.

Only the equator is a great circle as a line of latitude. Others are small circles.

  • Weather is the atmospheric condition of a place over a short period of time
  • Climate is the average weather condition at a place over a long period of time.
  • Altitude of a place is its elevation above a reference plane.
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1. What did Henri Becquerel discover about<br> radiation emitted from uranium salts?
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Explanation:

When Henri Becquerel investigated the newly discovered X-rays in 1896, it led to studies of how uranium salts are affected by light. By accident, he discovered that uranium salts spontaneously emit a penetrating radiation that can be registered on a photographic plate.

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3 years ago
Which elements are used for artistic objects
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Color, Line, Texture, Space, form, and value
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Complete the sentence: The greater the force that is applied to an object, the _____ the acceleration. However, if that same for
Alla [95]

Answer:

The greater the force that is applied to an object, the greater the acceleration. However, if that same force was applied to an object with a larger mass, it will have a smaller acceleration.

Explanation:

f=ma

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What is the theoretical mass of CO2 + H2O lost per gram of NaHCO3?
Mama L [17]

Answer:

The theoretical mass of CO2 = 2.09 grams

The theoretical mass of H2O =  0.429 grams

The theoretical  mass of CO2+ H2O = 2.519 grams

Explanation:

Step 1: Data given

Mass of NaHCO3 = 1 gram

Molar mass NaHCO3 = 84.00 g/mol

Molar mass of CO2 = 44.01 g/mol

Molar mass of H2O = 18.02 g/mol

Step 2: The balanced equation

4NaHCO3 + O2 → 4CO2 + 2H2O + 2Na2O2

Step 3: Calculate moles of NaHCO3

Moles NaHCO3 = mass NaHCO3 / molar mass NaHCO3

Moles NaHCO3 = 1.0 gram / 84.00 g/mol

Moles NaHCO3 = 0.0119 moles

Step 4: Calculate moles CO2 and H2O

For 4 moles NaHCO3 we need 1 mol O2 to produce 4 moles CO2 and 2 moles H2O and 2 moles Na2O2

For 0.0119 moles NaHCO3 we'll have 4*0.0119= 0.0476 moles CO2

and 2* 0.0119 = 0.0238 moles H2O

Step 5: Calculate mass CO2 and H2O

Mass = moles * molar mass

Mass CO2 = 0.0476 moles * 44.01 g/mol

Mass CO2 = 2.09 grams

Mass H2O = 0.0238 moles ¨18.02 g/mol

Mass H2O = 0.429 grams

The theoretical mass of CO2 = 2.09 grams

The theoretical mass of H2O =  0.429 grams

The theoretical  mass of CO2+ H2O = 2.519 grams

6 0
4 years ago
64g of sulfur dioxide (SO2) contains 32g of oxygen. Calculate how much sulfur it contains?
KengaRu [80]
Mass of SO2 = mass of sulfur+ mass of oxygen
⇒ 64 g= mass of sulfur+ 32 g
⇒ mass of sulfur= 64 g-32 g
⇒ mass of sulfur= 32 g.

There is 32 g of sulfur in 64 g of SO2~
6 0
3 years ago
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