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sammy [17]
3 years ago
9

In a different investigation, a student passed a current of 0.6 A through copper

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
4 0

Answer:

bdnsndmzmkrrbby

Explanation:

hfjdkxkx dnamkynskfkfnd

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Strike441 [17]
Carbon-6 because it is a neutron number
5 0
2 years ago
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What makes a question testable? Can someone help me on this pls it has to be either a 4-5 sentence! this is a science question.
Alexxandr [17]

Answer:

testable questions are answer through observation or an experiment that provides evidence that the questions connects to the scientific concepts rather the opinion feelings

therefore the question can be tested through observation or experiment

7 0
3 years ago
Gaseous hydrogen iodide is placed in a closed container at 425∘C, where it partially decomposes to hydrogen and iodine: 2HI(g)⇌H
murzikaleks [220]

Answer:

0.0184

Explanation:

Let's consider the following reaction at equilibrium.

2 HI(g) ⇌ H₂(g) + I₂(g)

The concentration equilibrium constant (Kc) is equal to the product of the concentration of the products raised to their  stoichiometric coefficients divided by the product of the concentration of the reactants raised to their  stoichiometric coefficients.

Kc = [H₂] × [I₂] / [HI]²

Kc = (4.78 × 10⁻⁴) × (4.78 × 10⁻⁴) / (3.52 × 10⁻³)²

Kc = 0.0184

5 0
3 years ago
Use the information below, to write a word equation, then change it into a balanced symbol equation.
Kamila [148]

Answer:

Mg    +  2HCl  -> MgCl2   + H2

Explanation:

7 0
3 years ago
Which of the following describes what happens to the atom that was displaced in the reactant compound during a single replacemen
Marysya12 [62]

Answer: It becomes the uncombined element in the product.

Explanation:

The reaction between Zn and HCl is a single displacement reaction according to equation below

Zn + 2HCl —> ZnCl2 + H2

Zn displaces H2 from acid and in the product, hydrogen became the uncombined element.

3 0
3 years ago
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