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Free_Kalibri [48]
3 years ago
10

What is the empirical formula of the compound whose molecular formula is P4O10

Chemistry
2 answers:
Pepsi [2]3 years ago
7 0
The empirical formula is the lowest reduced ration of the atoms present. In this case, it is P2O5
9966 [12]3 years ago
6 0

Answer:

The empirical formula of P4O10 is P2O5 . This is arrived at by dividing both subscripts by their highest common factor 2.

Explanation:

Empirical Formula of a compound is the lowest whole number ratio between the compound elements it is sometimes different from the standard formula of the compound).

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1. Calculate the attractive bonding force for NaF and for MgO when the ions just touch. Based on the attractive bonding force, w
Andreas93 [3]

Answer:

The attractive force is negative and MgO has a higher melting point

Explanation:

From Couloumb's law:

Energy of interaction, E = k \frac{q1q2}{r}

where q1 and q2 are the charges of the ions, k is Coulomb's constant and r is the distance between both ions, i.e the atomic radii of the ions.

If you look at Coulomb's law, you note that in the force is negative (because q1 is negative while q2 is positive).

In addition to that, the compounds MgO and NaF have similar combined ionic radii, then we can determine the melting point trend from the amount of energy gotten

The melting point of ionic compounds is determined by 1. charge on the ions 2. size of ions. while NaF has smaller charges (+1 and -1), MgO (+2 and -2) has larger charges and greater combined atomic radii. This implies that the compound with greater force would have a higher melting point.

Hence the compound MgO would have a higher melting point than NaF.

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3 years ago
What you all are doing?​
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Answer:playing

Explanation:

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2 years ago
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Which describes the role of energy in photosynthesis and cellular respiration?
bagirrra123 [75]

Answer:

A) Energy is needed to start photosynthesis and is a product of cellular respiration.

Explanation:

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3 years ago
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A.) A student titrated a 15.00-mL sample of a solution containing a weak, monoprotic acid with NaOH. If the titration required 1
nikklg [1K]

Answer:

A) 0.1225 M

B) 100.4 g/mol

Explanation:

Step 1: Write the generic neutralization reaction

HA(aq) + NaOH(aq) ⇒ NaA(aq) + H₂O(l)

Step 2: Calculate the reacting moles of NaOH

17.73 mL of 0.1036 M NaOH react. The reacting moles are:

0.01773 L × 0.1036 mol/L = 1.837 × 10⁻³ mol

Step 3: Calculate the reacting moles of HA

The molar ratio of HA to NaOH is 1:1. The reacting moles of HA are 1/1 × 1.837 × 10⁻³ mol = 1.837 × 10⁻³ mol.

Step 4: Calculate the molar concentration of HA

1.837 × 10⁻³ moles of HA are in a 15.00 mL volume. The molar concentration is:

M = 1.837 × 10⁻³ mol / 0.01500 L = 0.1225 M

Step 5: Calculate the molar mass of HA

1.837 × 10⁻³ moles of HA weigh 0.1845 g. The molar mass of HA is:

0.1845 g / 1.837 × 10⁻³ mol = 100.4 g/mol

5 0
3 years ago
If a plant cell is placed in a solution and the cell shrivels up, what type of solution was it placed in? How do you know?
PolarNik [594]

Answer:

The cell is in a Hypotonic solution. When a cell is in a Hypotonic solution the lower osmotic pressure causing water to move across the pressure gradient into the solution causing the cell to shrivel.

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2 years ago
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