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NeTakaya
3 years ago
11

Tính [H] và [OH] của dung dịch HC1 0,1M? Tính pH của dung dịch?

Chemistry
1 answer:
Brrunno [24]3 years ago
3 0

Answer:

po jakiemu to jest XD

Explanation:

po jakiemu to jest XD

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What elements symbols are based on latin
olasank [31]

Potassium (K), Sodium(Na), Iron(Fe), Copper(Cu), Silver(Ag), Tin(Sn), Antimony(Sb), Tungsten(W), Gold(Au), Mercury(Hg), Lead(Pb)

7 0
4 years ago
. How many grams of water would require 4400 joules
Alja [10]

Answer:

The specific heat of water is 4.18 J/g C.

Explanation:

q

=

m

C

s

Δ

T

Never forget that!

2200

=

m

⋅

4.18

J

g

⋅

°

C

⋅

66

°

C

∴

m

≈

8.0

g

5 0
3 years ago
Solid A and solid B were dissolved into two separate graduated cycliders
dolphi86 [110]

Answer:

C) The dissolving reaction of A was exothermic, and the dissolving reaction of B was endothermic.

Explanation:

hope this helps :)

6 0
3 years ago
Read 2 more answers
2 KClO3 (s) → 2 KCl (s) + 3 O2 (g)<br> how many atoms are in 3.2 moles of KCl?
Gekata [30.6K]

Answer:

If u use math why It will give u the answer like 3x3=9

Explanation:

4 0
3 years ago
I just started learning about kinetic molecular theory, and I’m not sure how to answer the question circled below
lions [1.4K]

Answer : The value of 'R' is 0.0821\text{ L atm }mol^{-1}K^{-1}

Solution : Given,

At STP conditions,

Pressure = 1 atm

Temperature = 273 K

Number of moles = 1 mole

Volume = 22.4 L

Formula used :     R=\frac{PV}{nT}

where,

R = Gas constant

P = pressure of gas

T = temperature of gas

V = volume of gas

n = number of moles of gas

Now put all the given values in this formula, we get the values of 'R'.

R=\frac{(1atm)\times (22.4L)}{(1mole)\times (273K)}

R=0.0821\text{ L atm }mol^{-1}K^{-1}

Therefore, the value of 'R' is 0.0821\text{ L atm }mol^{-1}K^{-1}.

7 0
3 years ago
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