I need help with this problems to know if they have reaction or no reaction. 1) Cr(s) +Co(NO3)2 (aq).
2) Ni(s) + Li2CO3(aq)
3) Co(s) + HCl(aq)
4) Cd(s) + H2SO4(aq)?

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?