4 years ago

What type of wave contains compression and rarefaction

Chemistry

1 answer:

Hunter-Best [27]4 years ago

7 0

Answer:

longitudinal waves

Explanation:

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The stockroom has provided you with a 1.70 MM stock solution of NaCl NaCl. What volume of this stock solution would be required

bearhunter [10]

Answer: The volume of stock NaCl solution needed is 23 mL

Explanation:

To calculate the molarity of the diluted solution, we use the equation:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the stock NaCl solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted NaCl solution

We are given:

$M_1=1.70M\\V_1=?mL\\M_2=0.170M\\V_2=230mL$

Putting values in above equation, we get:

$1.70\times V_1=0.170\times 230\\\\V_1=\frac{0.170\times 230}{1.70}=23mL$

Hence, the volume of stock NaCl solution needed is 23 mL

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3 years ago

Which pair of elements will form an ionic bond? N and O K and Br C and Cl Fe and Ni

Vsevolod [243]

K and Br can form an ionic bond. Since potassium is a metal (has a small electronegativity) and bromine is a nonmetal (has a large electronegativity), potassium can give an electron to bromine creating potassium bromide.

I hope this helps. Let me know if anything is unclear.

5 0

3 years ago

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Classify each ion according to whether it's produced by an acid or by a base. Drag each ion to the correct location on the

Yanka [14]

If u suck sun I’ll show u 12.43 jp

6 0

3 years ago

Measurements include

Keith_Richards [23]

There’s lots of measurements. (m, kg, s, mol, cm, in, mm) etc

8 0

4 years ago

2h2O---->2h2+O2

shtirl [24]

To solve this problem all you would have to do is to use the stoichiometric ratio of 1 mol of Oxygen would react with 2 mol of H2O, to find moles of water produced.

1 mol of O2 = 2 mol of H2O
20 mol of O2 = 40 mol of H2O.

The moles of water produced would be 40 moles.

4 0

4 years ago