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Rama09 [41]
3 years ago
8

Bronze is an alloy, which is what form of matter?

Chemistry
2 answers:
klasskru [66]3 years ago
5 0
As Bronze is made up of Copper & Tin, which are elements, it is a " Compound"

In short, Your Answer would be Option D

Hope this helps!
grandymaker [24]3 years ago
3 0
It is a Compound. have a nice day
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Which shows an isomer of the molecule below?
kobusy [5.1K]

Answer:

B

Explanation:

3 0
2 years ago
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Is sugar (C12H22O11) an element or a compound?
Semmy [17]
I believe that sugar is a compound because there are elements that make up sugar
4 0
3 years ago
What mass of lead (II) chloride is produced when 200.0 mL of a 0.250 M solution of sodium chloride is mixed with 200.0 mL of a 0
kow [346]

Answer:

Option d. 6.95 g

Explanation:

First of all, we state the reaction:

2NaCl + Pb(NO₃)₂ → PbCl₂ +  2NaNO₃

We determine the moles of each reactant, to state the limiting

Firstly we convert volume frm mL to L

0.200 L . 0.250M = 0.05 moles of NaCl

0.200L . 0.250M = 0.05 moles of Pb(NO₃)₂

Acording to stoichiometry we know that relation is 1:2, so the limiting reagent is the NaCl.

For 1 mol of Pb(NO₃)₂ I need 2 moles of NaCl

For 0.05 moles of Pb(NO₃)₂ I would need, the double → 0.1 moles

(We only have, 0.05 moles of NaCl)

Stoichiometry to the formed product is 2:1

From 2 moles of NaCl I produce 1 mol of PbCl₂

From 0.05 moles I would produce, the half → 0.025 moles

Let's convert the moles to mass → 0.025 mol . 278.1 g / 1mol = 6.95 g

8 0
3 years ago
A mixture of helium, nitrogen, and oxygen has a total pressure of 752 mm Hg. The
NISA [10]

Answer: The partial pressure of oxygen in the mixture is 321 mm Hg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{He}+p_{N_2}+p_{O_2}

Given : p_{total} = total pressure of gases = 752 mm Hg

p_{He} = partial pressure of Helium = 234 mm Hg

p_{N_2} = partial pressure of nitrogen = 197 mm Hg

p_{O_2} = partial pressure of oxygen = ?

Putting in the values we get:

752mmHg=234mmHg+197mmHg+p_{O_2}

p_{O_2}=321mmHg

The partial pressure of oxygen in the mixture is 321 mm Hg

5 0
3 years ago
Which element increases its oxidation number in this reaction? 2Na + 2H2O → 2NaOH + H2
sammy [17]

Answer:

Sodium

Explanation:

-Gradpoint

6 0
3 years ago
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