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3 years ago

Use tide and tidal range in the same sentence

Chemistry

1 answer:

tamaranim1 [39]3 years ago

5 0

Tidal waves are caused by winds and high tides, and a tidal range changes.

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A student is working hard on a chemistry lab experiment that uses a strong acid. Halfway through the lab, the student gets hungr

Hitman42 [59]

A student consumed dangerous chemicals

7 0

3 years ago

Formation of barium sulfate, which is completely insoluble in water is used as the basis of a classic procedure for analyzing th

nikitadnepr [17]

Answer:

Ba(NO₃)₂ (aq) + H₂SO₄ (aq) → BaSO₄ (s) + 2HNO₃ (aq)

Explanation:

The equation bellow can be explained by the dissociation of each specie:

Ba(NO₃)₂ (aq) → Ba²⁺ (aq) + 2NO₃⁻ (aq)

H₂SO₄ (aq) → 2H⁺ (aq) + SO₄²⁻ (aq)

The reaction will lead to the formation of solid barium sulfate and nitric acid.

6 0

4 years ago

20.00 mL of a 0.077 M solution of silver nitrate, AgNO3, is mixed with 30.00 mL of a 0.043 M solution of sodium acetate, NaC2H3O

babunello [35]

Answer:

No, no precipitate is formed.

Explanation:

Hello there!

In this case, since the reaction between silver nitrate and sodium acetate is:

$AgNO_3(aq)+NaC_2H_3O_2(aq)\rightarrow AgC_2H_3O_2(s)+NaNO_3(aq)$

In such a way, we can calculate the concentration of silver and acetate ions in the solution as shown below, and considering that the final total volume is 50.00 mL or 0.0500 L:

$[Ag^+]=\frac{20.00mL*0.077M}{50.00mL}=0.0308M$

$[C_2H_3O_2^-]=\frac{30.00mL*0.043M}{50.00mL}=0.0258M$

In such a way, we can calculate the precipitation quotient by:

$Q=[Ag^+][C_2H_3O_2^-]=0.0308*0.0258=7.95x10^{-4}$

Which is smaller than Ksp and meaning that the precipitation does not occur.

Regards!

3 0

3 years ago

How to calculate the atomic mass of Cl

slega [8]

To find the atomic mass of chlorine, the atomic mass of each isotope is multiplied by the relative abundance (the percent abundance in decimal form) and then the individual masses are added together. The atomic mass of chlorine is 35.45 amu.

8 0

3 years ago

Balance the equation <br> __Cu+__Ag(NO3)——__Cu(NO3)2+__Ag

Alex_Xolod [135]

<h2><u>Answer</u> : </h2>

Balanced chemical equation for above reaction :

$\mathrm{Cu +2 \: AgNO_3 \longrightarrow Cu(NO_3)_2 + 2 \: Ag}$

This is a displacement reaction, where copper (Cu) being morereactive than Silver (Ag) displaces Silver from its compound " Silver Nitrate " to form " Copper Nitrate " and silver .

$\mathrm{✌TeeNForeveR✌}$

6 0

3 years ago