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3 years ago

Like charges are attracted to one another. True False

Chemistry

2 answers:

Natali5045456 [20]3 years ago

7 0

Answer:

The correct answer is False.

Explanation:

Different from the force of attraction between two objects with opposite loads, two objects with similar load repel each other. A negatively charged object will exert a repulsive force on a second negatively charged object. This repulsive force will separate the two equally charged objects.

Have a nice day!

wariber [46]3 years ago

4 0

False, because the attractive forces between two object with opposite charges would be attracted to one another. The same charges will repeal just think like it was a magnetic with a + and - and when you put them together they stay away from each other.

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Which statement about subatomic particles is true?

trasher [3.6K]

The second option - electrons are the subatomic particles with the smallest mass.

Both protons and electrons have charge (protons are positive and electrons are negative)

Protons and neutrons both equal 1 amu (atomic mass unit), whereas electrons weigh about 1/1000 amu

Electrons orbit around the nucleus, whereas protons and neutrons are inside of the nucleus

And for the last option, I already answered it

8 0

4 years ago

When a solution of sodium lactate,

Marina CMI [18]

Answer:

Use the following answers for questions 1 - 2. (1984 - #8 & 9)

(A) A network solid with covalent bonding

(B) A molecular solid with zero dipole moment

(D) An ionic solid

(E) A metallic solid

1. Solid ethyl alcohol, C2H5OH (C)

2. Silicon dioxide, SiO2 (A)

Use these answers for questions 3-6 (1989 #11 – 14)

(A) hydrogen bonding (B) hybridization (C) ionic bonding

(D) resonance (E) van der Waals forces (London dispersion forces)

3. Is used to explain why iodine molecules are held together in the solid state (E)

4. Is used to explain why the boiling point of HF is greater than the boiling point of HBr (A)

5. Is used to explain the fact that the four bonds in methane are equivalent (B)

6. Is used to explain the fact that the carbon-to-carbon bonds in benzene, C6H6, are identical (D)

Use the following diagram for questions 7-8

(1989 - #49&51)

7. The normal boiling point of the substance

represented by the phase diagram above is

(A) -15 °C (B) -10 °C

(E) not determinable from the diagram

8. For the substance represented in the diagram,

which of the phases is most dense and which is

least dense at - 15 °C.

Most Dense Least Dense

(A) Solid Gas

(B) Solid Liquid

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4 0

3 years ago

How many moles of sucroseare in 5.25x1029 sucrosemolecules?[?]x10[?]Enter your answer with the correctnumber of significant figu

kicyunya [14]

To calculate the number of moles we will use Avogadro's number, which relates the number of molecules contained in a mole of any substance, the relationship between moles and molecules is as follows:

$\begin{gathered} \text{Moles of a subtances=Molecules}\times\frac{1mol}{6.02\times10^{23}molecules} \\ \text{Moles of sucrose=}5.25\times10^{29}molecules\times\frac{1mol}{6.02\times10^{23}molecules} \\ \text{Moles of sucrose=}8.72\times10^5mol \end{gathered}$

In the statement we are given the molecules with 3 significant figures, therefore the answer must also have 3 significant figures. So the answer will be: In 5.25x10^29molecules are 8.72x10^5 mol of sucrose

5 0

1 year ago

If you heard a new hurricane warning announced over the radio, what would it mean? A weak hurricane has been upgraded to a stron

masya89 [10]

Answer:

A tropical storm at sea has been upgraded to a hurricane.

Explanation:

Hurricane warnings are issued with respect to the conditions that may cause the commencement of a hurricane in a particular area. The warning is issued before the winds hit the tropical storm force. This helps in preparing for all the necessary precautionary steps before the storm force effects. The humans are strictly orders to evacuate the area immediately. The local officials warn the public through many means and the announcement through the radio is one of them.

6 0

3 years ago

HELP PLEASE

shepuryov [24]

Answer:

D) red litmus turns blue

Explanation:

Took this test, hope it helps! :)

7 0

3 years ago