Questions on the subject: Chemistry

Chemistry Chemistry     2   21.02.2023 14:00    4  
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...
Chemistry Chemistry     3   21.02.2023 14:00    1  
Why are group IA elements called alkali metals??...
Chemistry Chemistry     3   20.02.2023 14:00    1  
Why is group IIA elements called alkali earth metals??...
Chemistry Chemistry     1   19.02.2023 21:00    1  
The question is in the photo (Sorry for being lazy lol )...
Chemistry Chemistry     3   18.02.2023 20:50    1  
Why are group VIA elements called halogens??...
Chemistry Chemistry     3   14.02.2023 14:00    13  
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     2   12.02.2023 14:00    0  
Turn the following word equation into a symbolic equation: potassium hydroxide and hydrobromic acid react to form potassium bromide and water....
Chemistry Chemistry     2   10.02.2023 14:00    0  
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...
Chemistry Chemistry     2   08.02.2023 15:40    2  
Describe how ionic compounds are named. What element goes first, and which goes second?...
Chemistry Chemistry     3   07.02.2023 19:15    11  
Juanita drew a venn diagram to compare reproduction in sponges and cnidarians. which label belongs in the area marked x?...
Chemistry Chemistry     1   05.02.2023 09:40    2  
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...
Chemistry Chemistry     3   04.02.2023 03:50    5  
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...
Chemistry Chemistry     1   02.02.2023 14:00    8  
If we have 4.50 mol of sodium and 2.25 mol of iron (III) nitrate which reactant is the limiting reactant?...
Chemistry Chemistry     3   01.02.2023 20:30    1  
What is the pressure of a gas of 0.0925 moles occupies 152 ml at 185 degrees celcius...
Chemistry Chemistry     1   30.01.2023 19:20    2  
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. b. They...

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