Chemistry

30Jan

When copper is hammered into a sheet what type of change has the matter gone through?

deegriffin01 Chemistry 2 0
30Jan

What is the term for an unsaturated hydrocarbon with at least one double carbon-carbon bond?

KatieLearns1221 Chemistry 1 0
30Jan

What happened to the number of moles in a sample that originally occupied 500mL with 2.50 moles and then occupied 750mL? It deals with gas laws

kobe2000 Chemistry 1 0
30Jan

How do you find the volume occupied by 454 grams of copper if the density equals 8.92 g/mL?

kharrison Chemistry 1 0
30Jan

what is the reaction if you mix vinegar Ajax bleach together.

bellier Chemistry 2 0
30Jan

What are abiotic factors of the enviroment lynx

firedude911 Chemistry 1 0
30Jan

which state of matter has the least amount of energy?

Tristen Chemistry 2 0
30Jan

What is a group of organisms that look alike and can reproduce among their selfs ?

FatherTillman Chemistry 2 0
30Jan

Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench

CosmicOstrich Chemistry 1 0
30Jan

What are some important substances found in food, which promote growth and good health?

graceprlt Chemistry 1 0
30Jan

What is the effect of temperature and density on the movement of water?

MelindaSauder Chemistry 1 0
30Jan

What ion is present in all acid solutions?

kayrarice Chemistry 1 0
30Jan

Whats a material made of oxygen and silicon

Satterly241 Chemistry 2 0
30Jan

Calculate the molar mass CaCl2 Ca(NO3)2 Ca(OH)2 CaSO4 BaCl2

Attato Chemistry 1 0
30Jan

Which type of rock has sand, minerals,and shells

Bastien249 Chemistry 1 0
30Jan

does salt in water evaporate  faster than sugar in water

shannonmcphee16 Chemistry 2 0
30Jan

Shield volcano type of eruption?

melissageanne3 Chemistry 2 0
30Jan

Which of the following compounds would be most effective in lowering the melting point of ice on roads?a) CaCl2b) NaClC) K3PO4d) K2SO4

tmizzle Chemistry 2 0
30Jan

What is a harmful effect of electrical resistance?

ssissy Chemistry 1 0
30Jan

Calculate the density of a rectangular metal bar that is 7.00 cm long, 4.00 cm wide, and 1.00 cm thick and has a mass of 352 g is?

TrinidadBenwell Chemistry 1 0
30Jan

which of the following has the largest atomic radius: calcium, beryllium, barium, and strontium

Zachary843 Chemistry 1 0
30Jan

explain how humans have impacted the biome in which you live which is missouri

LyndseyTombrello Chemistry 1 0
30Jan

Calculate the molar mass FeCl3 Fe2(SO4)3 PbO PbO2 Pb3O4

huntedgar Chemistry 1 0
30Jan

Which requires the removal of heat, melting or freezing? Is it evaporation? What is it? Why?

bgmailgtt Chemistry 2 0
30Jan

the first element of family 16

Honeysweetnewsome Chemistry 2 0