Questions and task on the subject: Chemistry

Chemistry

Chemistry, 21.02.2023 14:00

Which of the following can be calculated from the mass of the reactants used in a chemical reaction?Amount of limiting reactant used in a reactionActual yield of productsAmount of...

Chemistry

Chemistry, 21.02.2023 14:00

Why are group IA elements called alkali metals??...

Chemistry

Chemistry, 20.02.2023 14:00

Why is group IIA elements called alkali earth metals??...

Chemistry

Chemistry, 19.02.2023 21:00

The question is in the photo (Sorry for being lazy lol ) ...

Chemistry

Chemistry, 18.02.2023 20:50

Why are group VIA elements called halogens??...

Chemistry

Chemistry, 14.02.2023 14:00

What is the limiting reagent when 1.5 moles of nitrogen react with 6 moles of hydrogen? N2(g)+3H2(g)—> 2NH3(g)...

Chemistry

Chemistry, 12.02.2023 14:00

Turn the following word equation into a symbolic equation: potassium hydroxide and hydrobromic acid react to form potassium bromide and water. ...

Chemistry

Chemistry, 10.02.2023 14:00

Keesha performed a chemical reaction and the products looked quite different from the reactants. She knew the amount of matter had not changed due to the law of conservation of mas...

Chemistry

Chemistry, 08.02.2023 15:40

Describe how ionic compounds are named. What element goes first, and which goes second?...

Chemistry

Chemistry, 07.02.2023 19:15

Juanita drew a venn diagram to compare reproduction in sponges and cnidarians. which label belongs in the area marked x?...

Chemistry

Chemistry, 05.02.2023 09:40

How many kilojoules of heat are absorbed when 950 mL of water is heated from 27 degrees Celsius to 79 degrees Celsius? The specific heat of water is 4.18 J/g-C. Answer choices: 104...

Chemistry

Chemistry, 04.02.2023 03:50

Not a timed or graded assignment. Please show all calculation work. Question prompt “what mass of the excess reactant HCI will be used”. Quick answer showing work = amazing review...

Chemistry

Chemistry, 02.02.2023 14:00

If we have 4.50 mol of sodium and 2.25 mol of iron (III) nitrate which reactant is the limiting reactant?...

Chemistry

Chemistry, 01.02.2023 20:30

What is the pressure of a gas of 0.0925 moles occupies 152 ml at 185 degrees celcius...

Chemistry

Chemistry, 30.01.2023 19:20

What do cocaine, amphetamines, caffeine, nicotine, and MDMA (ecstasy) all have in common? Select one: a. They all increase the activity of the nervous system.