Questions and answers by

Franky

Questions (13)

Find the circumference of each circle. Use 3.14 for the value of n. Round your Answere to the nearest tenthArea is 201cmsquared
1. 1 answer
2. 529 views
Divide. Use estimation to check.585 divided by 3 solve
1. 1 answer
2. 755 views
a .300 kg piece of metal is heated to 88 degrees celsius and placed in a copper calorimeter with a mass .150 kg which contains
1. 2 answers
2. 670 views
2 quick questions:I am stuck on this: 1) The concentration of hydrogen ions in a 0.1 mol dm3 solution of phosphoric acid, H3PO4?
1. 2 answers
2. 493 views
Can you check if this is correct please?a) How many moles of sodium hydroxide are there in 19.00 cm3 of 0.100 mol dm3? My
1. 2 answers
2. 871 views
Can you check if this is correct please:Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure
1. 0 answers
2. 515 views
Can you check if this is correct please:Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure
1. 1 answer
2. 518 views
I am really stuck, I have tried to look these up everywhere and I keep getting different answers.I have to find the balanced
1. 4 answers
2. 709 views
Hi, the question is: in each reaction, identify what have been oxidised and reduced.The equation is: 2Al + 3H2SO4 ---> Al2(SO4)3
1. 3 answers
2. 1,156 views
When anhydrous iron sulfate decomposes it forms iron (III) oxide, sulfur (IV) dioxide and sulfer (VI) oxide. Write a balanced
1. 0 answers
2. 714 views
I am having so much trouble calculating Type 2 error in simple questions, can someone pleaseeeee help me by explaining what to
1. 1 answer
2. 617 views
A spring with a force constant of 4.5×104 N/m is initially at its equilibrium length. How much work must you do to stretch the
1. 5 answers
2. 4,432 views
Please someone help me out I'm so confused!A system consists of 2.0mol of an ideal monatomic gas at 375 K . How much heat must
1. 0 answers
2. 540 views