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Moira
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Moira
Questions (11)
I need to answer a few questions fo my chemistry homework-
1.Why does the mass of copper sulphate decrease as a result of being
1 answer
430 views
2a) Someone finds teo bottles without labels. Both are white solids.
One of the white solids turns directly from a solid to a gas
4 answers
571 views
3. Copper carbonate turns black when it is heated and the mass decreases. What is the normal colour of copper carbonate?
2 answers
593 views
4. Lead dioxide gives off a gas when heated. The gas relights a glowing splint. Give the name of this gas.
5. Hydrated cobalt
2 answers
518 views
for question 2c earlier - Would you describe the effect of heat on the white powders as a physical change or a chemical change?
4 answers
570 views
i have a history essay that needs to be done by wednesday next week. its wednesday today the week before so it would really help
5 answers
518 views
Help I need a mnemonic to remeber the following words
Family Peers Role Model Fashion Media Cost Status Disability Age Race
4 answers
556 views
According to the SMCR model, problems in communication can arise when the speaker fails to do what?
A. Have a neat appearance B.
2 answers
686 views
I want to enlarge a 8 and 1/2 inch by 11 inch drawing to about 12 by 16 inches on the copy machine. What per centage of
2 answers
485 views
6 The first flowerbed that Marita made used 1 1/2 bags of barkdust. The flowerbed she is now making is
times 2 1/5 as large as
2 answers
600 views
Raleigh has a mass of 60.0 kg and is standing on a scale in an elevator. The scale reads 750 N. What is the acceleration of the
1 answer
366 views
Answers (7)
Yes Anonymous is correct.
Thank you that's great just what we needed
it would actually be 2x+1 not 2x-1 because +3-2 is equal to +1. and yes you can combine them together.
This is a homework help site. You cannot rely on others to do the homework for you. If you're that desperate perhaps you should ask the teacher for help.
Well I know the first two answers. 2a) was sublimination- turning directly from a solid to a gas and I worked out that 2b) was zinc oxide- it turned yellow on heating and white on cooling.
T(n)= 0.5n^2+1n-0.5n This ones quite easy. btw if youre good at chemistry please answer my question!
To write a paragraph in detail is pretty easy. Just add description words and adjectives. It's better not to over do it and add five adjective per sentence- there should be a maximum of maybe two/three decribing things in a sentence. Try to vary the
