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Lady_Fox [76]
4 years ago
11

¿Cómo consideras que sería la vida actual sin la ciencia?

Chemistry
1 answer:
umka2103 [35]4 years ago
6 0

Answer:

ha ano daw sabi? wala naintindihan

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In Lewis Structures, horizontal or vertical lines stand for _______.
andreev551 [17]
B. chemical bonds, the lines stand for the bond between the compounds.
7 0
3 years ago
The flavor of anise is due to anethole, a compound with the molecular forumal C10H12O. Combustion of one mole of anethole produc
AfilCa [17]

Answer:

Change in temperature of calorimeter is 4.52^{0}\textrm{C}

Explanation:

Molar mass of anethole = 148.2 g/mol

So, 0.950 g of anethole = \frac{0.950}{148.2}moles of anethole = 0.00641 moles of anethole

1 mol of anethole releases 5541 kJ of heat upon combustion

So, 0.00641 moles of anethole release (5541\times 0.00641)kJ of heat or 35.52 kJ of heat

7.854 kJ of heat increases 1^{0}\textrm{C} temperature of calorimeter.

So, 35.52 kJ of heat increases (\frac{1}{7.854}\times 35.52)^{0}\textrm{C} or 4.52^{0}\textrm{C} temperature of calorimeter

So, change in temperature of calorimeter is 4.52^{0}\textrm{C}

7 0
3 years ago
Describe the relationship between kinetic energy and mass
zhannawk [14.2K]

Answer:

Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object. ... Objects with greater mass can have more kinetic energy even if they are moving more slowly, and objects moving at much greater speeds can have more kinetic energy even if they have less mass

8 0
4 years ago
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What volume would be occupied bu 8.53 g of a substance whose density is 2.54 g/mL?
Marina86 [1]

Hey there!

Mass = 8.53 g

Volume = ?

Density = 2.54 g/mL

Therefore:

D = m / V

2.54 = 8.53 / V

V = 8.53 / 2.54

V = 3.35 mL

Hope that helps!

7 0
4 years ago
What is the difference between the grassland and savanna biomes?
Darina [25.2K]

Answer:

C)Grassland biomes contain mostly grasses.

Explanation:

The main differences between a savanna biome and a grassland is that grasslands biomes contain mostly grasses.

Savanna are made up of both grasses and shrubs.

  • Savanna are a mix of grasslands with some scattered trees in the area.
  • Grasslands are open grass fields.
  • They do not contain much trees as such.
  • The savanna and grasslands are renowned for their fauna diversity of beasts.  
4 0
3 years ago
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