![subject](/tpl/images/cats/himiya.png)
Chemistry, 02.12.2021 20:50 isabella234
Atoms, Elements, Compounds & Mixtures
Task 1: Rewrite the sentences if you think they are wrong
All matter is made of tiny particles called elements
All matter is made of tiny particles called atoms.…………………
An element is a substance made of one atom
…………………………………………………………………………………………… ……………………………………………………………
Air, sea water and oxygen are mixtures
…………………………………………………………………………………………… ……………………………………………………………
Compounds are easily separated as their atoms are not chemically joined together
…………………………………………………………………………………………… …………………………………………
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 14:30
Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral.a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 15:30
Which mathematical relationship should you us to convert moles of a substance into grams
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:30
Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
You know the right answer?
Atoms, Elements, Compounds & Mixtures
Task 1: Rewrite the sentences if you think they are wron...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 22.04.2020 15:44
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:44
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:44
![question](/tpl/images/cats/en.png)
English, 22.04.2020 15:45
![question](/tpl/images/cats/biologiya.png)
Biology, 22.04.2020 15:45
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:45
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.04.2020 15:45
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:45
![question](/tpl/images/cats/User.png)
Engineering, 22.04.2020 15:45
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.04.2020 15:45
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:45
![question](/tpl/images/cats/mat.png)
Mathematics, 22.04.2020 15:45