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3 years ago

Help with this pretty please!

Chemistry

1 answer:

inessss [21]3 years ago

6 0

Answer:

Explanation:

Basically same as last question but the number is before the compound :)

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Fruit salad is an example of what? compound homogeneous mixture element heterogeneous mixture

salantis [7]

The answer is homogeneous mixture

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4 years ago

What is the correct term for a shorthand notation that places chemical formulas and other symbols in a specific format in order

balandron [24]

Answer: Chemical equation

Explanation: In writing a chemical equation, the correct formula and symbols of the reactants are written on the left hand side of the equation while those of the products are written on the right hand side. A horizontal arrow is drawn between the two sides to indicate the direction of the reaction.

Example: Na + Cl -> NaCl

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4 years ago

Which of the alkali metals are liquids at 50°C?

luda_lava [24]

Hello!

I believe the correct answers are: Bromine (Br) and Mercury (Hg).

I really hope this helped you out! :)

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3 years ago

What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 187 mL to make a 1.53 M solution of

Len [333]

Answer:

47.68 mL

Explanation:

In this case, we have a dilution problem. So, we have to start with the dilution equation:

$C_1*V_1=C_2*V_2$

We have to remember that in a dilution procedure we go from a higher concentration to a lower one. With this in mind, We have to identify the concentration values:

$C_1~=~6.00~M$

$C_2~=~1.53~M$

The higher concentration is C1 and the lower concentration is C2. Now, we can identify the volume values:

$V_1~=~X$

$V_2~=~187~mL$

The V2 value has "mL" units, so V1 would have "mL" units also. Now, we can include all the values into the equation and solve for "V1", so:

$6.00~M*V_1=1.53~M*187~mL$

$V_1=\frac{1.53~M*187~mL}{6.00~M}=47.68~mL$

So, we have to take 47.68 mL of the 6 M and add 139.31 mL of water (187-47.68) to obtain a solution with a final concentration of 1.53 M.

I hope it helps!

6 0

3 years ago

What term is used for the deepest parts of the ocean floor?

Vadim26 [7]

Answer:

Oceanic trenches

Explanation:

Oceanic Trenches are hemispheric-scale long but narrow topographic depressions of the sea floor

8 0

3 years ago