Translations:"Do not run around in lab"
Лаборатория кабинетінде жүгіруге болмайды
Draw the structural formulae of the following compounds: 2,3- dimethylbutane
2,3 - диметилбутан
Translation: floods
су тасқыны
Write formula equations for following reaction: Sodium metal reacts with water to release hydrogen and sodium hydroxide
Na + H2O = NaOH + H2
General formula is alkene?
CnH2n
DSANH
HANDS
Calculate the percentage by mass of sulfur (S) in Fe2(SO4)3
24%
Methane reacts with chlorine to produce methyl chloride and hydrochloric acid
CH4 + Cl2 = CH3Cl + HCl
Irregular verb: go - went - .....
gone
Name of K is......
potassium
Calculate the percentage by mass of (H) in C2H5OH
13%
if + present simple, will/won`t + inf
First conditional
1 molecule of nitrogen reacts with 3 molecules of hydrogen produce 2 molecules of ammonia
N2 + 3H2 = 2NH3
Pronounce names and formulas for the following formulas: C2H6, C4H10
Ethane,
Butane
Translation: IF I WERE YOU, I WOULD BUY NEW COMPUTER
Если бы я был с вами, я бы купил новый компьютер