Yousab cycles at an average speed of 12 km/h. how far has he travelled if he cycles for 2 hours

The following reaction does not proceed to a product: H2O + Cu --> no reaction. Why is that?

Anettt [7]

I think the correct answer would be because copper has a lower activity than hydrogen and cannot replace the bonds in it. Substances that are not oxidizing do not react with copper since the redox potentials are very low. Hope this answers the question.

5 0

4 years ago

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Predict the outcome if a solution of yellow

Shkiper50 [21]

Answer: The solution will remain yellow.

Explanation:

7 0

3 years ago

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Plz help me with 18 guys tysm!

kap26 [50]

A convergent boundary is when two plates push against each other. a transform boundary is when they slide past each other. both can couse mid ocean ridges.

5 0

3 years ago

In which of the following reactions does a decrease in the volume of the reaction vessel at constant

Black_prince [1.1K]

Answer:

The correct option is: A) 2H₂(g) + O₂(g) → 2H₂O(g)

Explanation:

According to the Le Chatelier's principle, change in the volume of the reaction system causes equilibrium to shift in the direction that reduces the effect of the volume change.

When the volume decreases then the pressure of the reaction vessel increases, then the equilibrium shifts towards the reaction side that produces less number of moles of gas.

A) 2H₂(g) + O₂(g) → 2H₂O(g)

The number of moles of reactant is 3 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the product side, thereby favoring the formation of products.

B) NO₂(g) + CO(g) → NO(g) + CO₂(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

C) H₂(g) + I₂(g) → 2HI(g)

The number of moles of reactant and product both is 2.

Therefore, when the volume decreases, the equilibrium does not shift in any direction.

D) 2O₃(g) → 3O₂(g)

The number of moles of reactant is 2 and number of moles of product is 3.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

E) MgCO₃(s) → MgO(s) + CO₂(g)

The number of moles of reactant is 1 and number of moles of product is 2.

Therefore, when volume decreases, the equilibrium shifts towards the reactant side, thereby favoring the formation of reactants.

6 0

3 years ago

How does a bar chart make it easier to see the pattern in a data?

Vladimir [108]

Bar graph is a visual tool that uses bars to compare data among categories

Explanation:

Bar charts compares the values between the categories. It is one of the easy method to check whether the data is discrete or continuous where discrete data is counted as number of political parties and continuous is measured in height or sales.

If the data has more than one value per category, a stacked or grouped bar charts allows you to see individual values and compare categories.

The stacked bar chart is ideal for comparing the sum of the components of each group. The stacked bar chart is not useful for comparing totals because the present of all respondents adds up to 100% roughly for every category.

3 0

3 years ago