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melomori [17]
3 years ago
15

Some acids can eat through or what type of metals

Chemistry
2 answers:
slavikrds [6]3 years ago
5 0

Answer:

mixture of hydrochloric and nitric acid can dissolve noble metals, such as gold and platinum.

Explanation:

motikmotik3 years ago
3 0

Answer: iron ? Plz don’t report if it is wrong

Explanation:

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What mass of ch4 is consumed when 587. 9 kj of energy is evolved from the combustion of a mixture of ch4(g) and o2(g)? show the
katen-ka-za [31]

Mass of CH₄ is 10.591 g.

The molar mass is a crucial characteristic of the material that is independent of sample size. The coherent unit of molar mass in the International System of Units (SI) is kg/mol. However, molar masses are usually generally given in g/mol due to historical considerations.

A chemical compound's molar mass is calculated by dividing its mass by the number of moles of the substance that make up the sample.

Δg = 587.9 KJ

CH₄ Molar mass = 16.05 g/mol

mol CH₄ = Δg / ΔH°

              = 587.9 / 890.3 KJ/ mol

              = 0.6603 mol CH₄

Mass CH₄ = 0.6603 × 16.05 g/mol

                = 10.591 g

Therefore, the mass of  CH₄ is 10.591 g.

Learn more about molar mass here:

brainly.com/question/24236159

#SPJ4

8 0
1 year ago
Which of the following might a chemist choose to study?
Serjik [45]

Answer:

B. Better ways to recycle plastics

Explanation:

A chemist might choose to study better ways to recycle plastics because there may be certain types of chemicals that can disintegrate the plastic..

7 0
3 years ago
What type of bond is in aluminum sulfate?
ratelena [41]
That's actually a polyatomic Ion, so it's an Ionic bond, because Aluminum is a metal, and sulfate is a covalent compound. 
4 0
3 years ago
According to the following balanced reaction, how many moles of NO are formed from 12.66 moles of NO2 if there is plenty of wate
sp2606 [1]

Answer:

\boxed{\text{4.220 mol}}

Explanation:

            3NO₂ + H₂O → 2HNO₃ + NO

n/mol:  12.66  

You get 1 mol of NO from 3 mol of NO₂

\text{Moles of NO} = \text{12.66 mol NO}_{2}\times \dfrac{\text{1 mol NO}}{\text{3 mol NO}_{2}} = \textbf{4.220 mol NO}\\\\\text{The reaction forms } \boxed{\textbf{4.220 mol}} \text{ of NO}

5 0
4 years ago
Read 2 more answers
Please help me with chemistry~​
forsale [732]

If I help you go to my profile and click questions out and click people are taking brainly for granted

Answer:

(O = 16) , 2H2O, and (C = 12)

Explanation:

5 0
4 years ago
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