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2 years ago

Which substance has a chemical symbol that is derived from a Latin name?

Chemistry

2 answers:

Drupady [299]2 years ago

8 0

Correct answer would be gold

RideAnS [48]2 years ago

5 0

That would be gold, which originally in Latin was aurum, which has the chemical symbol Au. Hope this helps!

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For which of the following can a relative age be determined? Select all that apply.

Allushta [10]

Answer: A. fossil

B. rock layer

Explanation:

Relative aging or dating can be define as the technique for determination of the age of the rock and fossil. It is a method of determining the chronological order of the past events by comparing the stratigraphic column of rocks and sediments with each other. This method can only give relative age of one object in comparison with the other but does not give the absolute date.

5 0

2 years ago

C2h6o how many moles of ethanol are present in a 10.0 g sample of ethanol

Dmitriy789 [7]

46 gram of ethanol ≡ 1 mole of ethanol
1 gram of ethanol ≡ 1/46 mole of ethanol
10 gram of ethanol ≡ 1*10/46 mole of ethanol
=0.217 mole of ethanol

5 0

2 years ago

Read 2 more answers

If antique brass is 30.0% zinc and 70.0% copper, how many grams of antique brass can be made from 18.0 grams of zinc and 32.8 gr

wariber [46]

Answer: 51.86

Explanation:

3 0

2 years ago

Fatima is designing an advanced graphics card for a next-generation video game system. She needs to be able to precisely control

belka [17]

Answer:

semiconducting and tellurium

Explanation:

u did the test hope this helps babes

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3 years ago

Read 2 more answers

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 3.30kg of water at 23.8°C. Dur

Brums [2.3K]

Answer:

$T_2= 31.9\°C$

Explanation:

Hello there!

In this case, it is possible to propose an energy balance in order to illustrate how the heat released by the reaction is absorbed by the water:

$-Q_{rxn}=Q_{water}$

Thus, since the heat released by the reaction is -112 kJ (-112000 J), it is possible to define the hear absorbed by the water in terms of mass, specific heat and temperature change:

$-(-112000J)=m_{water}C_{water}(T_2-T_1)$

In such a way, it is possible to define the final temperature as shown below:

$T_2=23.8\°C+\frac{112000J}{3300g*4.18\frac{J}{g\°C} }\\\\T_2= 31.9\°C$

Best regards!

4 0

2 years ago