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mylen [45]
3 years ago
12

What is the correct name for FeCI3?

Chemistry
2 answers:
Semmy [17]3 years ago
7 0
The correct name for Fec13 is Iron(lll) chloride
aliya0001 [1]3 years ago
4 0

Answer:

Iron(III) chloride

Explanation:

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A 12.0g sample of a substance requires 50.9 J to raise its temperature by 6.00 c. What is it’s specific heat
horsena [70]

\qquad\qquad\huge\underline{{\sf Answer}}

Let's find the specific heat of sample using given formula :

\qquad \tt \dashrightarrow \:Q = m \: s \triangle T

where,

  • Q = heat transfer

  • m = mass

  • S = specific heat

  • \tt \triangle T = change in temperature

\qquad \tt \dashrightarrow \:50.9 = 12 \times \: s  \times 6

\qquad \tt \dashrightarrow \:s =  \dfrac{50.9}{72}

\qquad \tt \dashrightarrow \:s = 0.707  \:

Therefore, specific heat of that substance is 0.707 J/g°C

7 0
2 years ago
Most polyatomic ions are cations.<br> TRUE<br> FALSE
Ludmilka [50]

The answer is False.

6 0
3 years ago
Calculate δ h for the reaction:no (g) + o2 (g) ↔ no2 (g). given: 2o3(g) ↔ 3o2(g) δh=-426 kj o2(g) ↔ 2o(g) δh=+ 490 kj no(g) + o3
maks197457 [2]
To calculate the <span>δ h, we must balance first the reaction: 

NO + 0.5O2 -----> NO2

Then we write all the reactions,

2O3 -----> 3O2    </span><span>δ h = -426 kj        eq. (1)

O2 -----> 2O    </span><span>δ h = 490 kj             eq. (2)

NO + O3 -----> NO2 + O2    </span><span>δ h = -200 kj          eq. (3)


We divide eq. (1) by 2, we get

</span>O3 -----> 1.5O2    δ h = -213  kj             eq. (4)

Then, we subtract eq. (3) by eq. (4) 

NO + O3 ----->  NO2 + O2   δ h = -200 kj
-       (O3 -----> 1.5 O2         δ h = -213  kj)
NO -----> NO2 - 0.5O2        δ h = 13  kj               eq. (5)


eq. (2) divided by -2. (Note: Dividing or multiplying by negative number reverses the reaction)

O -----> 0.5O2  <span>δ h = -245  kj         eq. (6)
</span>
Add eq. (6) to eq. (5), we get

NO -----> NO2 - 0.5O2        δ h = 13  kj 
+  O -----> 0.5O2                 δ h = -245  kj
NO + O ----> NO2               δ h = -232 kj

<em>ANSWER:</em> <em>NO + O ----> NO2               δ h = -232 kj</em>


4 0
3 years ago
I need help with this question
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A challenge they could face is that the plants are not used to the climate in the new area . (sorry if it’s wrong)
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2 years ago
A homogenous mixture that is mainly composed of water is referred to as a(n) __________ solution.
rosijanka [135]

Answer:

solvent solutions

Explanation:

.............

7 0
2 years ago
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