Uncle Michael

[匿名]

回覆: 1

2021-03-02 11:01 pm

The Cp of liquid water is 4.184 J/g°C. How much energy is needed to heat a 52.0 gram sample of water from 0.0°C to 100.0°C?

[匿名]

回覆: 1

2021-03-02 4:20 pm

Chemistry help! So confused ?

[匿名]

回覆: 2

2021-03-01 11:22 pm

Does anyone know the answer to this chemistry problem?

[匿名]

回覆: 2

2021-03-01 6:27 am

physics question ?

[匿名]

回覆: 1

2021-02-27 2:07 pm

Calculate ΔG° for the following redox reaction. 2 Al (s) + 3 Mg2+ (aq) → 2 Al3+ (aq) + 3 Mg (s)?

[匿名]

回覆: 2

2021-02-27 11:20 am

whats the iupac name of this compound?

[匿名]

回覆: 1

2021-02-24 10:14 pm

im not understand this chem problme ?

[匿名]

回覆: 1

2021-02-24 2:07 pm

In a weak acid-strong base titration, a 25.0 ml sample of .100 M acetic acid (HC2H3O2 Ka=1.8x10^-5) is titrated with .200 M NaOH.?

[匿名]

回覆: 1

2021-02-24 2:22 pm

Will a precipitate form when .200 liters of .006 M AgNO3 is mixed with .800 liters of a .040 M NaCl? (Ksp = 1.6x10^-10)?

[匿名]

回覆: 2

2021-02-24 1:32 pm

Can anyone help me with trig please?

Smile

回覆: 3

2021-02-23 6:56 pm

Physics:why reading of A1 is 0.6, i don't understand how to do, thanks?

[匿名]

回覆: 3

2021-02-23 3:34 pm

Engineering: Electrical Circuits?

[匿名]

回覆: 1

2021-02-23 2:41 pm

How many moles of sugar was added to 82.90 g of ethanol to change the freezing point of ethanol by 2.750 c?

[匿名]

回覆: 1

2021-02-23 12:38 pm

Vector problem?

[匿名]

回覆: 3

2021-02-23 12:23 pm

algebra question?

[匿名]

回覆: 1

2021-02-23 10:42 am

Arrange these species by their ability to act as an oxidizing agent.?

[匿名]

回覆: 3

2021-02-19 3:00 pm

Help with a math question?

[匿名]

回覆: 2

2021-02-19 2:19 pm

How to show the full mechanism of a Grignard reagent reacting with formaldehyde??

[匿名]

回覆: 1

2021-02-19 12:16 pm

What is Gringnard’s reaction and how do I apply it to find the correct one?

[匿名]

回覆: 3

2021-02-15 4:54 pm

I need help converting metric units?

用戶89037

回覆: 1

2021-02-13 10:39 pm

If an angle (θ) is divided in two parts such that the Tangent of one part is (m) times the Tangent of the other, then prove that their ...?

[匿名]

回覆: 2

2021-02-10 11:34 am

0.125 of an unknown nonelectrolyte compound dissolved in 100 ml?

[匿名]

回覆: 1

2021-02-09 2:44 pm

What will be the total pressure in the chamber after the reaction?

[匿名]

回覆: 1

2021-02-09 2:45 pm

what will be the total pressure of gas?

[匿名]

回覆: 1

2021-02-09 9:01 am

Which of the following compounds is likely to have a dipole moment?

[匿名]

回覆: 1

2021-02-09 9:23 am

For the following equations, determine which are redox processes. For the ones that are redox reactions, identify the oxidizing agent and r?

[匿名]

回覆: 2

2021-02-08 10:35 pm

In a binomial experiment with n=17 and p=0.6, find the probability of 8 successes.?

[匿名]

回覆: 3

2021-02-08 3:48 am

Help with Probability Question?

[匿名]

回覆: 2

2021-02-07 8:24 pm

, what is the equilibrium concentration of Cl2 in the same system?

[匿名]

回覆: 6

2021-01-27 3:47 pm

Pre calc inverse help?

[匿名]

回覆: 1

2021-01-27 12:10 am

In the complete combustion of ethene, 22g of carbon dioxide is produced. What mass (in grams) of oxygen is used C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O?

[匿名]

回覆: 1

2021-01-25 6:54 pm

What is the ph of a 0.080 M solution of the weak base pyridine (C5H5N; Kb=1.7x10^-9)?

[匿名]

回覆: 2

2021-01-25 12:59 am

Please explain,, help ! ?

[匿名]

回覆: 3

2021-01-22 10:18 am

Which of the following solutions is the most concentrated? ?

[匿名]

回覆: 2

2021-01-13 4:10 pm

Physics need final answer please?

[匿名]

回覆: 2

2021-01-13 3:03 pm

A 150 kilogram astronaut in his space suit throws away a 3 kilogram wrench at a velocity of 8 m/sec. What is his resulting velocity?

[匿名]

回覆: 1

2021-01-13 12:05 am

projectile motion question ?

[匿名]

回覆: 1

2021-01-12 8:13 pm

Please help ?

[匿名]

回覆: 1

2021-01-11 4:43 pm

Physics Need a long answer thanks?

[匿名]

回覆: 1

2021-01-11 4:51 pm

A 95.0-kg refrigerator rests on the floor. How much work is required to move it at constant speed?

[匿名]

回覆: 2

2021-01-11 4:52 pm

Advanced physics?

[匿名]

回覆: 1

2021-01-11 12:47 pm

Identify the option below that is an acid ionization reaction...?

Irene

回覆: 1

2021-01-11 11:43 am

Kinematic question?

Irene

回覆: 1

2021-01-11 11:41 am

Kinematic question?

[匿名]

回覆: 1

2021-01-11 10:32 am

How many moles of potassium chlorate must be decomposed to form 1.30 moles of oxygen gas? ?

[匿名]

回覆: 2

2021-01-06 3:38 am

CHEMISTRY HELP PLEASE??Calculate the equilibrium partial pressures of both species when the initial pressure of NO2 is 0.050 atm.?

[匿名]

回覆: 1

2021-01-04 7:23 pm

Motion question?

[匿名]

回覆: 1

2021-01-04 3:35 pm

Help please?

[匿名]

回覆: 1

2021-01-04 3:36 pm

I need help!?

[匿名]

回覆: 1

2021-01-04 11:41 am

Organic Chemistry Study Help?