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9966 [12]
3 years ago
11

Do I know if a substance is ionic or molecular

Chemistry
2 answers:
MA_775_DIABLO [31]3 years ago
7 0
Not sure but if I were to guess I would say it is solid steel
alexgriva [62]3 years ago
7 0
Which of these elements has the smallest atomic radius
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12. What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
NeTakaya

Answer:

9

Explanation:

mass number = protons + neutrons

= 4 + 5 = 9

7 0
3 years ago
Proszę napisać wzór kwasu karboksylowego o 7 atomach węgla sumaryczny i strukturalny.
Mice21 [21]

Answer:

Explanation:

Carboxylic acids is a homologous series in which the compounds contain a functional group called the carboxyl group (-COOH). The general molecular formula for carboxylic acids is CnH2n+1COOH. Carboxylic acids contain at least one carboxyl group.

Or in Polish…

Kwasy karboksylowe to homologiczna seria, w której związki zawierają grupę funkcyjną zwaną grupą karboksylową (-COOH). Ogólny wzór cząsteczkowy dla kwasów karboksylowych to CnH2n + 1COOH. Kwasy karboksylowe zawierają co najmniej jedną grupę karboksylową.

8 0
3 years ago
__Pb(NO3)2 + __NaCI = __NaNO3 + __PbCI2
Elena L [17]

Answer:

Pb(NO3)2 + 2NaCl = 2NaNO3 + PbCl2

6 0
1 year ago
A substance that allows heat, light, sound, or an electric charge to run through it is called a/n
Likurg_2 [28]
A conductor allows heat, light, sound, or an electric charge to run through it.
7 0
3 years ago
* The cost of table salt and table sugar is Rs 15 per kg.
Vilka [71]

Cost per mole

Table salt : Rs 0.878

Table sugar : Rs 23.63

<h3>Further explanation</h3>

Given

Cost table salt (NaCl) = 15/kg

Cost table sugar(sucrose-C12H22O11) = 69/kg

Required

cost per mole

Solution

mol of 1 kg Table salt(NaCl ,MW= 58.5 g/mol) :

\tt mol=\dfrac{1000~g}{58.5}=17.09~mol=Rs~15\rightarrow 1~mol=Rs~0.878

mol of 1 kg Table sugar(C12H22O11 ,MW= 342 g/mol) :

\tt mol=\dfrac{1000}{342}=2.92~mol=Rs~69\rightarrow 1~mol=Rs~23.63

6 0
2 years ago
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