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Tamiku [17]
3 years ago
11

What is the importance of measuring the age of fingerprints

Chemistry
1 answer:
ivanzaharov [21]3 years ago
8 0

Answer: Measuring the age of fingerprints is important because it can help detectives on a crime.

With fingerprints you can find the criminals record. Which would lead to their eventual arrest and a solved case.

Explanation:

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How many types of hybridization does carbon undergo?​
Novosadov [1.4K]

Answer:

For carbon the most important forms of hybridization are the sp2- and sp3- hybridization. Besides these structures there are more possiblities to mix dif- ferent molecular orbitals to a hybrid orbital. An important one is the sp- hybridization, where one s- and one p-orbital are mixed together.

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3 years ago
WILL MARK BRAINLIEST!!!! HELPPPP
Lina20 [59]

Answer:

A single distillation cycle is enough to separate the mixture. ... Simple distillation is the method used to separate substances in mixtures with significantly different boiling points, while fractional distillation is used for mixtures containing chemicals with boiling points close to each other.

Explanation:

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3 years ago
In a coffee-cup calorimeter, 100.0 g of H2O and 100.0 mL of 1M HCl are mixed. The HCl had an initial temperature of 44.6 C and t
Hatshy [7]

Answer:

Exothermic reaction for the HCl, endothermic reaction for the water

2803.28\ \text{J}

Explanation:

Heat was lost by HCl as its temperature lowered, so it was an exothermic reaction for the HCL.

Heat was gained by water as its temperature increased, so it was an endothermic reaction for the water.

m = Mass of water = 100 g

c = Specific heat of water = 4184\ \text{J/kg}^{\circ}\text{C}

\Delta T = Change in temperature of water = (31.3-24.6)^{\circ}\text{C}

Heat is given by

Q=mc\Delta T\\ =0.1\times 4184\times (31.3-24.6)\\ =2803.28\ \text{J}

Heat gained by water is 2803.28\ \text{J}.

5 0
3 years ago
Mass is measured against a standard using a
damaskus [11]

Answer:

balance

Explanation:

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Hiiii everyone my previous account has been deleted who knows me plz follow​
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okie!

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