What is the mass and density of a tissue box with the volume 91.60

Is this a single replacement reaction or there is no

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)

In general metals get as you move from left to right across the periodic table.