I GOT CHEATED ON WHAT SHOULD I DO BESIDES CRY

Chemistry

2 answers:

nordsb [41]3 years ago

6 0

Answer:

Talk to me, and ill help you out :)

Explanation:

Ivenika [448]3 years ago

5 0

Let the person go at the end of the day if the person had the time to cheat on you they wasn’t the one it will get better soon

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Calculate the maximum volume in ml of 0.15M HCl that each of the following antacid formulations would be expected to neutralize.

vlada-n [284]

a. 34 mL; b. 110 mL

a. A tablet containing 150 Mg(OH)₂

Mg(OH)₂ + 2HCl ⟶ MgCl₂ + 2H₂O

Moles of Mg(OH)₂ = 150 mg Mg(OH)₂ × [1 mmol Mg(OH)₂/58.32 mg Mg(OH)₂

= 2.572 mmol Mg(OH)₂

Moles of HCl = 2.572 mmol Mg(OH)₂ × [2 mmol HCl/1 mmol Mg(OH)₂]

= 5.144 mmol HCl

Volume of HCl = 5.144 mmol HCl × (1 mmol HCl/0.15 mmol HCl) = 34 mL HCl

b. A tablet containing 850 mg CaCO₃

CaCO₃ + 2HCl ⟶ CaCl₂ + CO₂ + H₂O

Moles of CaCO₃ = 850 mg CaCO₃ × [1 mmol CaCO₃/100.09 mg CaCO₃

= 8.492 mmol CaCO₃

Moles of HCl = 8.492 mmol CaCO₃ × [2 mmol HCl/1 mmol CaCO₃]

= 16.98 mmol HCl

Volume of HCl = 16.98 mmol HCl × (1 mL HCl/0.15 mmol HCl) = 110 mL HCl

5 0

3 years ago

classify each of the statements about gases as true or false. oxygen molecules at 25 celsius are moving faster than oxygen

AleksandrR [38]

Since gas molecules average velocity depends on temperature, oxygen molecules at 25°C are moving faster than oxygen molecules at 0 °C.

According to the kinetic theory of gases, the molecules of a gas are in constant random motion and collide frequently with each other and the walls of the container.

The average speed of gas molecules depends on temperature and molar mass as shown by the relation;

vrms = √3RT/M

The following statement are true among the options provided;

Oxygen molecules at 25°C are moving faster than oxygen molecules at 0 °C
Gases exert pressure by colliding with container walls

The following are false among the options provided;

All hydrogen molecules are moving with the same velocity
Nitrogen gas exerts more pressure than hydrogen gas because nitrogen molecules are heavier than hydrogen molecules.
Nitrogen molecules remain suspended in the atmosphere because they are not attracted to Earth by gravitational forces.

Learn more: brainly.com/question/6505878