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11111nata11111 [884]
3 years ago
15

Can you help me plz will mark brainlyiest

Chemistry
2 answers:
alexira [117]3 years ago
6 0

Answer:

I would help but the picture will not load for me :(

Explanation:

KIM [24]3 years ago
6 0
The picture is just a white screen
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Which statements about light are true? Select all the correct answers A.It can travel through empty space B.It has no mass C.It
cestrela7 [59]

Answer:

A. It can travel through empty space

Explanation:

Unlike sound it light can travel at an empty space or vacuum.

Hope it helps <3 and Amen.

5 0
4 years ago
In sexually reproduction, how many do the offspring compare to the parents?
tatuchka [14]
In sexual reproduction the offspring has similar genetics and look of those of the parents. In asexual reproduction, it will look like the one parent, but it won't have the parent. The parent would have split in two and created two daughter cells, but when they make buds of them they have one child and on parent. Hope I helped! ;)
8 0
3 years ago
What is the mass, ,volume,density and substance for Blick C:
solniwko [45]

Answer:

Density is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter).

Explanation:

4 0
4 years ago
Read 2 more answers
A 50.0 mL sample of HCl required 25.81 mL of 0.1250 M KOH for neutralization. What is the molarity of the acid?
topjm [15]

Answer:

0.065M

Explanation:

The reaction expression is given as:

         HCl   +   KOH  →  KCl + H₂O

Given parameters:

Volume of KOH  = 25.81mL  = 0.02581L

Molarity of KOH = 0.125M

Volume of HCl  = 50mL  = 0.05L

Unknown:

Molarity of the acid  = ?

Solution:

To find the molarity of the acid, HCl, let us use the mole concept.

  First, find the number of moles of the base, KOH;

Number of moles of KOH = molarity of KOH x volume of KOH

   Number of moles of KOH  = 0.125 x 0.0258 = 0.003225mol

From the balanced reaction equation:

   1 mole of KOH reacted with 1 mole of HCl

   0.003225mol of KOH will react with 0.003255mole of HCl

Molarity of HCl  = \frac{number of moles of HCl}{Volume of HCl}

Molarity of HCl  = \frac{0.003255}{0.05}   = 0.065M

8 0
3 years ago
Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leav
Andrei [34K]

Answer:

ZnS(s) ⇄ S²⁻(aq) + Zn²⁺(aq)

Explanation:

First, we will write the molecular equation, since it is easier to balance.

2 HBr(aq) + ZnS(s) ⇄ H₂S(aq) + ZnBr₂(aq)

In the full ionic equation we include all ions and molecular species.

2 H⁺(aq) + 2 Br⁻(aq) + ZnS(s) ⇄ 2 H⁺(aq) + S²⁻(aq) + Zn²⁺(aq) + 2 Br⁻(aq)

In the net ionic equation we include only the ions that participate in the reaction and the molecular species.

ZnS(s) ⇄ S²⁻(aq) + Zn²⁺(aq)

6 0
3 years ago
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