How many molecules of CO2 are the in 4.56 moles of CO2 ?
1. How many molecules of CO2 are the in 4.56 moles of CO2 ?
° STOIKIOMETRI °
Given
n = 4,56 moleL = 6,02 • 10²³Ask
X = ?Answer
To answer this question, we can use mole concept.
[tex] \Boxed {X = n \cdot L} [/tex]
So the answer
[tex] X = n \cdot L \\ X = 4,56 \cdot 6,02 \cdot 10^{23} \\ X \approx 2,75 \cdot 10^{23} [/tex]
2. How many molecules of CO2 are the in 4.56 moles of CO2 ?
Jawaban:
Thus, the number of molecules of carbon dioxide is 6.23×1022 molecules 6.23 × 10 22 molecules .
3. How many grams are in 1.2 x 10²⁴ molecules of water?
Answer
Mass of water = 36 grams
ExplanationMolecules of water is written in formula : H₂O,
to calculate the mass of the water, we should know about realtive molecular mass of water from periodic table :
Mr H₂O = 2 x Ar H + Ar O = 2 x 1 + 16 = 18 g/mole
From Avogadro number ==>
[tex]\boxed{mole\ of\ water\ = \frac{Molecules\ number\ of \ Water}{6,02\ .\ 10^{23} } }[/tex]
mole of water = 1.2 x 10²⁴ /(6.02 x 10²³) = 1.99 mole = 2 mole
Mass of water = mole of water x Mr water = 2 mole x 18 g/mole
= 36 grams of water
Learn Moreabout Concept of Mole : brainly.co.id/tugas/2623883
4. How many grams of gas are present? 8.75 L of C2H4, at 378.3 kPa and 483 K
Bab : Perhitungan dasar kimia
Kelas : 10
Kode : 10.7.8
Kata kunci : gas, gram, tekanan, suhu, ideal
Pertanyaan :
grams of gas are
Pembahasan :
Gunakan persamaan gas ideal
PV = nRT
P = 378,3 Kpa = 3,707 atm
V = 8,75 L
R = 0,082 ltr.atm/mol.K
T = 483 K
sehingga persamaan menjadi
3,707 . 8,75 = n . 0,082 . 483
n (mol) = 0,819
gram C2H4 = n . Mr C2H4
= 0,819 . 28
= 22,9 gr
Pelajari lebih lanjut
https://brainly.co.id/tugas/5736085
https://brainly.co.id/tugas/10305340
5. Consider the reaction for the commercial preparation of ammonia ; synthesis of ammonia (NH3) from the reaction between nitrogen and hydrogen. a) How many moles of hydrogen are needed to prepare 312 moles of ammonia? b) How many grams of hydrogen is this?
11010292928822
Penjelasan:
soriy ttayqyquq
6. POINT GEDE! ASAL JAWAB REPORT!1. HOW MANY COOKIES ARE IN A SERVING? 2. HOW MANY SERVING IN A PACKAGE3. HOW MANY COOKIES ARE IN PACKAGE? 4. HOW MANY COOKIES DO YOU HAVE FOR SNACK5. HOW MANY GRAM OF SUGAR PER SERVING6. HOW MANY TEASPOON OF SUGAR PER SERVING (HINT: THERE ARE 4 GRAMS OF SUGAR PER TEASPOOB7. APPROXIMATELY HOW MANY TEASPOONS OF SUGAR ARE IN EACH COOKIE?
Jawaban:
Bismillah
1. The following nutrition information is provided by the USDA for one serving (three cookies, 34g) of Oreo cookies. The number of calories in a cookie depends on the type of cookie you eat. Oreo cookies, for example, contain about 53 calories per cookie.
2. "Some small packages of chips, pretzels, cookies, crackers, etc., look like one serving but the label may say it has 2 to 3 servings per package. Many eat the whole thing assuming it is an individual serving package," Koltun explained.
3. Three
4. Three
5. 4 grams off sugar = 1 teaspoon
The AHA suggests an added-sugar limit of no more than 100 calories per day (about 6 teaspoons or 24 grams of sugar) for most women and no more than 150 calories per day (about 9 teaspoons or 36 grams of sugar) for most men.
6. So how much exactly is a gram of sugar? One teaspoon of granulated sugar equals 4 grams of sugar. To put it another way, 16 grams of sugar in a product is equal to about 4 teaspoons of granulated sugar.
7. How many moles of sodium bromide can be formed from 1.55 moles of aluminum bromide?
Jawaban:
12020729629101
Penjelasan:
kalo salah maap
8. how many grams of fiber ar in one serving
Penjelasan:
i don't know, sorry i can't help you
9. 1. How many serving size for this product?2.How many grams (g) of fot in 1 serving?3.How many calories of fat in 1 serving?4.How many grams (g) of saturated fat in 1 serving?5.How many total grams (g) of catbohydrate?
Jawaban:
1.2oz(56g)
2.140 grams
3.180
4.6 grams
5.1 grams
Penjelasan:
#BelajarTerusYa
10. For the given reaction C5H12 + 8 O2 → 5 CO2 + 6 H2O, If the reactants C5H12 & O2 are having 2 moles an 8 moles of initial feed respectively. How many moles of C5H12 are there when the reaction completes?
Jawaban:
1 mol C5H12
Penjelasan:
pakai cara yang di gambar ya
semoga bermanfaat
11. 6. How many moles of nitrogen atoms of combined with 8.60 mol of oxygen atoms in dinitrogen pentoxide, N205?
Jawaban:
Here you go, I hope it'll help ya
12. 1. How many serving size for this product?2.How many grams (g) of fot in 1 serving?3.How many calories of fat in 1 serving?4.How many grams (g) of saturated fat in 1 serving?5.How many total grams (g) of catbohydrate?
Jawaban:
1. 2 serving size
2. 16g
3. 140
4. 6g
5. 1g
13. Acetylene burns in air to for carbon dioxide and water: C2H2 (g) + O2 (g) -----> CO2 (g) + H2O (l) How many grams of CO2 are formed from 25.0 grams of C2H2?
Acetylene burns in air to for carbon dioxide and water:
C2H2 (g) + O2 (g) -----> CO2 (g) + H2O (l)
many grams of CO2 are formed from 25.0 grams of C2H2 is 84,48 grams.
Pembahasan[tex]\boxed{\boxed{\bold{Stoikiometri~Reaksi}}}[/tex]
[tex]\mathbf{1.~Persamaan~Reaksi }[/tex]
Persamaan reaksi dapat menunjukkan zat-zat pereaksi (reaktan) dan zat hasil reaksi (produk) yang terlibat selama reaksi. Dalam persamaan reaksi setara dapat terlihat adanya koefisien reaksi yang menunjukkan perbandingan jumlah partikel yang yang terlibat dalam reaksi. Maka, dapat disimpulkan perbandingan jumlah partikel zat sama dengan perbandingan jumlah mol zat. Jadi,
[tex]\boxed{\boxed{\bold{Perbandingan~Koefisien~=~Perbandingan~mol}}}[/tex]
[tex]\mathbf{2.~Pereaksi~Pembatas }[/tex]
Pereaksi pembatas adalah zat pereaksi yang habis bereaksi sedangkan pereaksi yang lainnya berlebih karena terdapat sisa.
Cara menentukan pereaksi pembatas adalah :
1. Persamaan reaksi harus sudah setara
2. Menentukan mol masing-masing zat pereaksi
3. Membuat MRS (Mula-mula, Reaksi, Setimbang)
4. Meletakkan mol mula-mula setiap zat pereaksi
5. Membagi masing-masing mol zat pereaksi dengan koefisiennya
4. Hasil bagi paling kecil merupakan pereaksi pembatas
[tex]\mathbf{3.~Senyawa~Hidrat~(Air`Kristal) }[/tex]
Senyawa yang mengandung air kristal disebut senyawa hidrat, sedangkan senyawa yang tidak mengandung air kristal disebut senyawa anhidrat. Air kristal merupakan molekul air yang terkandung dalam susunan kristal senyawa.
Contoh :
MgSO4 x H2O --- > MgSO4 + x H2O
Senyawa hidrat/ senyawa anhidrat kristal/hidrat
senyawa kristal
Menghitung jumlah kristal/hidrat dengan cara :
a. Membuat perbandingan mol antara senyawa anhidrat dibanding kristal/hidrat nya.
b. Besar nya nilai perbandingan dari senyawa anhidrat harus “1”.
[tex]\mathbf{Cara~Menentukan~Jumlah~Mol~(n) }[/tex]
Menentukan dengan massa molekul relatif
[tex]\boxed{\boxed{\bold{n~=~\frac{gram}{Mr} }}}[/tex]
dengan,
n = jumlah mol (mol)
gram = massa (gram)
Mr = massa molekul relatif
[tex]\boxed{\boxed{\bold{Diket}}}[/tex]
massa C₂H₂ = 25 gram
Ar C = 12
Ar H = 1
[tex]\boxed{\boxed{\bold{Ditanya}}}[/tex]
massa CO₂
[tex]\boxed{\boxed{\bold{Jawab}}}[/tex]
Menentukan persamaan reaksi setaraC₂H₂ (g) + O₂ (g) ---> CO₂ (g) + H₂O (l) (reaksi belum setara)
2C₂H₂ (g) + 5O₂ (g) ---> 4CO₂ (g) + 2H₂O (l) (reaksi setara)
Menentukan Mr C₂H₂Mr C₂H₂ = 2. Ar C + 2. Ar H
Mr C₂H₂ = 2. 12 + 2. 1
Mr C₂H₂ = 24 + 2
Mr C₂H₂ = 26
Menentukan jumal mol (n) C₂H₂n C₂H₂ = [tex]\frac{massa}{Mr}[/tex]
n C₂H₂ = [tex]\frac{25}{26}[/tex]
n C₂H₂ = 0,96 mol
Menentukan jumlah mol (n) CO₂[tex]\boxed{\boxed{\bold{Perbandingan~Koefisien~=~Perbandingan~mol}}}[/tex]
2C₂H₂ (g) + 5O₂ (g) ---> 4CO₂ (g) + 2H₂O (l)
Koefisien 2 : 5 : 4 : 2
Mol 0,96 mol
n CO₂ = 2 x n C₂H₂
n CO₂ = 2 x 0,96
n CO₂ = 1,92 mol
Menentukan Mr CO₂Mr CO₂ = 1. Ar C + 2. Ar O
Mr CO₂ = 1. 12 + 2. 16
Mr CO₂ = 12 + 32
Mr CO₂ = 44
Menentukan massa CO₂n CO₂ = [tex]\frac{massa}{Mr}[/tex]
massa CO₂ = n x Mr CO₂
massa CO₂ = 1,92 x 44
massa CO₂ = 84,48 gram
[tex]\boxed{\boxed{\bold{Kesimpulan}}}[/tex]
massa gas CO₂ yang dihasilkan adalah 84,48 gram
[tex]\mathbf{Pelajari~Lebih~Lanjut }[/tex]
Persamaan reaksi https://brainly.co.id/tugas/1036760, https://brainly.co.id/tugas/6024402, https://brainly.co.id/tugas/20903896, https://brainly.co.id/tugas/20937408, https://brainly.co.id/tugas/21127594 Pereaksi pembatas https://brainly.co.id/tugas/9803223 Menentukan mol https://brainly.co.id/tugas/19317569 , https://brainly.co.id/tugas/19322443, https://brainly.co.id/tugas/1010112# Menentukan massa https://brainly.co.id/tugas/19327560 , https://brainly.co.id/tugas/19674518#, https://brainly.co.id/tugas/962227----------------------------------------------
[tex]\mathbf{Detil~Jawaban }[/tex]
Mapel : Kimia
Bab : Stoikiometri
Kelas : X
Semester : 2
Kode : 10.7.9
Kata kunci : mol, koefisien reaksi, gram, massa, reaksi pembakaran, C₂H₂, stoikiometri
14. how many moles of water is 5.87 x 10 22 molecules ?
Saya jawabnya pakai bahasa indonesia ya :p
Diketahui : Jumlah partikel : 5.87 x [tex]10^{22}[/tex]
Jumlah partikel = mol x L (bilangan avogadro)
5.87 x [tex]10^{22}[/tex] = mol x 6.02 x [tex]10^{23}[/tex]
mol = 0.097 mol
Semoga membantu :D
15. If there are 150 calories in 100 grams of a certain food, how many calories are there in a 60 gram portion of that food?
90 gram portion of that food.
16. 1. If you assume that the molecular weight of sugars is 342 g/mol, how many moles of sugar are there in one serving? 2. If you assume that the molecular weight of sodium is 23 g/mol, how many moles of sodium are there in one serving? 3. How does the number of atoms of sodium in one serving compare to the number of molecules of sugar?
yessssssssssssssssssss
Jawaban:
ya ndak tau, kok tanya saya:v
Penjelasan:
makasih poinnya
lumayan dapet 50 poin:v
17. How many moles are there in44g of CO2? How many molecus is this
simply the molar mass of co2 is 44g/mol. It is calculated as below;
molar mass of c = 12 g/mol
molar mass of o= 16 g/mol
molar mass of co2= molar mass of c+ 2(molar mass of o)= (12+16+16)g/mol=44g/mol
number of moles = the given mass / molar mass of co2
number of moles= 44 g / 44 g/mol =1 mol
therfore 44g of co2 have 1 mole of co2 in it.
18. how many kilo grams are there in a ton
Jawaban:
1000 Kilograms
Penjelasan:
A Ton = 1000 Kilograms
Jawaban:
1000 kg in 1 ton. smg membantu^^
19. How many grams in 5,6 liter of water in stp ? (Ar. H=1 O=16)
Penjelasan:
n=mol
Water=H2O
V=Vstp × n
5,6=22,4 × n
n=0,25 mol
n=mass/Mr
0,25=mass/18
mass=4,5 grams
20. 1. How many serving size for this product?2.How many grams (g) of fot in 1 serving?3.How many calories of fat in 1 serving?4.How many grams (g) of saturated fat in 1 serving?5.How many total grams (g) of catbohydrate?
Jawaban:
how are you ready to go to track record di dunia yang tidak mau pcrnn ini siapa yk itu pm and
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