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1 year ago

Heating a particular ether with HBr yielded a single organic product. Which of the following conclusions can be reached?

1 answer:

8 0

Only C is correct.

A will produce either an methylbromide + alcohol

B will produce alcohol and alkyl bromide as well

C cyclic ether when reacted with HBr will only produce 1 product which has alcohol group (-OH group) on one end and Bromide group on the other end

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Elena makes the table below to determine the number of atoms of each element in the chemical formula 3(NH4)2SO4. A table with 3

Bumek [7]

Answer:

✌3 I think - She should not have multiplied the hydrogen atoms by the coefficient. sorry im not sure but I tried tell, tell me if im wrong Plz!✌

Explanation:

❤So sorry if it's wrong. ❤

7 0

1 year ago

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as a 15.1-gram sample of a metal absorbs 48.75 j of heat its temperature increases 25.0 k what is the specific heat capacity of

Leviafan [203]

Specific heat capacity (c) of a material is related to the Energy Absorbed (Q), mass of the material (m) and the change in temperature (T) by the following equation:

$c= \frac{Q}{mT}$

Substituting the values of Q, m and T in the above equation, we get:

$c= \frac{48.75}{15.1*25}=0.129$

So the specific heat capacity of the metal with given conditions will be 0.129 J/g.K

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1 year ago

How many moles of lead (ii) chromate are in 51 grams of this substance? answer in units of mol?

maria [59]

Mass of lead (II) chromate is 51 g. The molecular formula is $PbCrO_{4}$ and its molar mass is 323.2 g/mol

Number of moles can be calculated using the following formula:

$n=\frac{m}{M}$

Here, m is mass and M is molar mass.

Putting the values,

$n=\frac{(51 g}{323.1937 g/mol}=0.1578 mol$

Therefore, number of moles of lead (II) chromate will be 0.1578 mol.

5 0

1 year ago

Consider the following oxides: SO2, Y2O3, MgO, Cl2O, and N2O5. How many are expected to form acidic solutions in water? Consider

Snowcat [4.5K]

Answer:

Three of the five oxides are expected to form acidic solutions in water

Explanation:

We have different types of oxides : Acidic oxides, Basic oxides, Amphoteric oxides, Peroxides and Higher oxides.

Only acidic oxides will dissolve in water to give an acidic solution.

Considering the given oxides carefully,

SO2 will dissolve in water to produce H2SO3 which is acidic.

Y2O3 will dissolve in water to produce Yttrium(III) hydroxide which is basic.

MgO will dissolve in water only to produce Mg(OH)2 which is also basic.

Cl2O dichlorine mono oxide will dissolve in water to produce HClO which is acidic.

N2O5 will dissolve in water to produce HNO3 which is also acidic.

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1 year ago

The radius of a potassium atom is 231 pm. How many potassium atoms would have to be laid side by side to span a distance of 4.77

Softa [21]

To determine the number of potassium laid side by side by a given distance, we simply divide the total distance to the diameter of each atom. The diameter is twice the radius of the atom. We calculate as follows:

number of atoms = 4770 / 231x10^-12 = 2.06x10^13 atoms

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1 year ago

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