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kakasveta [241]
2 years ago
15

Are the properties of a specific element the same as the properties of a molecule made up of that element? Why or why not?

Chemistry
1 answer:
LuckyWell [14K]2 years ago
4 0

Answer:

no molecule and properties or defent

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Name the subatomic particles contained in the nucleus of the atom
lawyer [7]
Neutron, proton
form those are both quarks

7 0
3 years ago
A container with a specific volume “V” changes to “2V.” What happens to the average distance between gas molecules? Assume that
lara [203]
As the volume increases, there is more space so the average distance between the gas molecules also increases.
6 0
4 years ago
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An experiment requires 0.52 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(
Bingel [31]

Answer: 0.52 L of 15 M NH_3(aq) will be used to prepare this amount of 0.52 M base.

Explanation:

But on diluting the number of moles remain same and thus we can use molarity equation.

C_1V_1(stock)=C_2V_2 (to be prepared)

where,

C_1 =concentration of stock solution = 15 M

V_1 = volume of stock solution = ?

C_2 = concentration of solution to be prepared = 0.52 M

V_2 = volume of solution to be prepared = 15 L

15\times V_1=0.52\times 15

V_1=0.52L

Thus 0.52 L of 15 M NH_3(aq) will be used to prepare this amount of 0.52 M base

8 0
3 years ago
Consider the general reaction: 2 A + b B → c C and the following average rate data over a specific time period \Delta t: - \frac
lawyer [7]

Answer:

c = 4

Explanation:

In general, for the reaction

       a A     +    b B     ⇒ c C   +    d D

the rate is given by:

rate = - 1/a ΔA/Δt = - 1/b ΔB/Δt = + 1/c ΔC/Δt = + 1/d ΔD/Δt

this is done so as to express the rate in a standarized way which is the same to all the reactants and products irrespective of their stoichiometric coefficients.

For this question in particular we know the coefficient of A and need to determine the coefficient c.

- 1/2 ΔA/Δt = + 1/c ΔC/Δt

- 1/2 (-0.0080 ) = + 1/c ( 0.0160 mol L⁻¹s⁻¹ )

0.0040 mol L⁻¹s⁻¹  c = 0.0160 mol L⁻¹s⁻¹

∴ c = 0.0160 / 0.0040 = 4

7 0
3 years ago
An isotope, x, of a particular element has an atomic number of 16 and a mass number of 34. therefore: select one:
never [62]
Number protons is what determines the element.
16 protons determines that the substance is sulphur.

The number of neutrons can vary according to the isotope.  The mass number is the total count of neutrons and protons, so sulphur with a mass number of 34 has 34-16=18 neutrons.

32.065 is the weighted average of the atomic weights of different isotopes, so does not apply to a single isotope.
8 0
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