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Ad libitum [116K]
2 years ago
15

What type of element is phosphorus

Chemistry
2 answers:
Snezhnost [94]2 years ago
6 0
I think the answer is non metal
mrs_skeptik [129]2 years ago
5 0

The answer is <u><em>non-metal.</em></u>

<h3>Here's why:</h3>

The element Phosphorus is located on the <em>right </em>side of the periodic table, where the majority of the non and semi metals are.


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What is the total gas pressure in a sealed flask that contains oxygen at a partial pressure of 0.35 atm and water vapor at a par
Fofino [41]
According to Dalton's Law, in a mixture of non-reacting gasses, thetotal pressure<span> exerted is the sum of the </span>partial pressures<span> of the component gasses. In more complicated circumstances, equilibrium states come into effect, but fortunately for us, </span>oxygen<span> is non-reactive with </span>water vapor<span>.</span>
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3 years ago
2. what is nappening in this diagram:
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Answer:

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2 years ago
Tin metal reacts with hydrogen fluoride to produce tin (ll )fluoride and hydrogen gas according to the balanced equation. Sn(s)+
ladessa [460]

Answer:

                      1.263 moles of HF

Explanation:

                     The balance chemical equation for given single replacement reaction is;

                                    Sn + 2 HF → SnF₂ + H₂

Step 1: <u>Calculate Moles of Tin as;</u>

As we know,

                    Moles  =  Mass / A.Mass    ----- (1)

Where;

           Mass of Tin  =  75.0 g

           A.Mass of Tin  =  118.71 g/mol

Putting values in eq. 1;

                    Moles  =  75.0 g / 118.71 g/mol

                    Moles  =  0.6318 moles of Sn

Step 2: <u>Find out moles of Hydrogen Fluoride as;</u>

According to balance chemical equation,

                     1 mole of Sn reacted with  =  2 moles of HF

So,

              0.6318 moles of Sn will react with  =  X moles of HF

Solving for X,

                     X =  0.6318 mol × 2 mol / 1 mol

                     X  =  1.263 moles of HF

8 0
2 years ago
If 62.3 mL of lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.862 g of precipitate, wh
Alexxx [7]

Answer:

The molarity of the lead(II) ion in the original solution is 0.03M

Explanation:

<u>Step 1:</u> The balanced reaction

Pb(NO3)2(aq) + 2 NaI aq) → PbI2(s) + 2 NaNO3 (aq)

Pb2+ + 2I- →PbI2

This means that for 1 mole Pb2+ consumed, there is needed 2 moles of I- to produce 1 mole of PbI2

<u>Step 2:</u> Calculate moles of PbI2

Moles of PbI2 = 0.862g / 461.01 g/mole

moles of PbI2 = 0.00187 moles

<u>Step 3:</u> calculate moles of Pb2+

For 1 mole of PbI2 produced we need 1 mole of Pb2+

This means for 0.00187 moles of PbI2 we need 0.00187 moles of Pb2+

<u>Step 4:</u> Calculate the molarity of the Pb2+ ion

Molarity of Pb2+ = moles of Pb2+ / volume =

Molarity of Pb2+ = 0.00187 moles / 62.3*10^-3

Molarity of Pb2+ ion = 0.03M

The molarity of the lead(II) ion in the original solution is 0.03M

5 0
3 years ago
PLZ HELP!!!!!asapnow
Marrrta [24]

Answer:

Friction of wind against the ocean surface

7 0
3 years ago
Read 2 more answers
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