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4 years ago

Briefly explain the benefits and consequences of technology.

Chemistry

2 answers:

goblinko [34]4 years ago

8 0

benefits of technology. we can now have better resources to help find cures for illnesses.

consequences of technology are poor health (from sitting hunched over a phone all the time) and ruins eyesight.

Elza [17]4 years ago

3 0

Well there are plenty of benefits and consequences.

But one would be the ability to do certain tasks without actually having to do them. A consequence could be on the environment. For example, the use of a car plays a big part on the environment involving smog.

Hope this helps!

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describe covalent and ionic bonding. include how it works, any key terms and how you can identify each bond ( hard, soft, rigid,

Katena32 [7]

A covalent bond is a bond between 2 non metals, they share electrons. Ionic bonding occurs between a metal and a non-metal, and they transfer electrons.

5 0

3 years ago

Read 2 more answers

What is the salinity seawater?

BigorU [14]

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3 years ago

Which of the substances below would have the lowest boiling point?

photoshop1234 [79]

Answer: The answer is A.

Explanation: The higher the kPa, the lower the boiling point

6 0

3 years ago

A propane stove burned 470 grams propane and produced 625 grams of water (this is the actual yield) C3H8 +5O2=3CO2+4H20. What wa

Liula [17]

Answer:

81.3%

Explanation:

Step 1:

The balanced equation for the reaction:

This is shown below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Step 2:

Data obtained from the question. This includes:

Mass of propane (C3H8) = 470 g

Actual yield of water (H2O) = 625 g

Percentage yield of water (H2O) =?

Step 3:

Determination of the mass of propane (C3H8) burned and the mass of water (H2O) produce from the balanced equation. This is illustrated below:

C3H8 + 5O2 —> 3CO2 + 4H2O

Molar Mass of C3H8 = (3x12) + (8x1) = 36 + 8 = 44g/mol

Molar Mass of H2O = (2x1) + 16 = 2 + 16 = 18g/mol

Mass of H2O from the balanced equation = 4 x 18 = 72g

From the balanced equation above,

44g of C3H8 was burned and 72g of H2O was produced.

Step 4:

Determination of the theoretical yield of H2O. This is illustrated below:

From the balanced equation above,

44g of C3H8 produced 72g of H2O.

Therefore, 470g of C3H8 will produce = (470x72)/44 = 769.09g of H2O.

Therefore, the theoretical yield of H2O is 769.09g

Step 5:

Determination of the percentage yield of water (H2O). This is illustrated below:

Actual yield of water (H2O) = 625g

theoretical yield of H2O = 769.09g

Percentage yield of water (H2O) =?

Percentage yield = Actual yield/Theoretical yield x100

Percentage yield = 625/769.09 x100

Percentage yield = 81.3%

Therefore, the percentage yield of water (H2O) is 81.3%

4 0

4 years ago

At STP, solid carbon can exist as graphite or as diamond. These two forms of carbon have(1) the same properties and the same cry

LuckyWell [14K]

The correct statement is in statement 4. The two solid carbons has different properties and different crystal structures. The way the carbons are arranged differs for the two which cause the distinct properties of the two. In a diamond, atoms are arranged tetrahedrally while, in graphite, the atoms are arranged in an infinite array but are layered.

5 0

3 years ago