At the end of the experiment a student spill some hcl solution as he pours it from the baby bottle to the preweighed 150mL beaker. He determines the final mass of the HCl beaker and solution ignoring the spilled solution. Would his calculated R value be too high or too low? Explain Why

I have a strange piece of equipment left by an ex meteorologist friend who has recently died. I am wondering if you can help me identify it and explain what it is used for. It consist of two glass tubes, joined together, side by side. The lager tube is about 60mm diametr and 145mm tall & is...

My little girl is 16 months and still drinks from a bottle. She knows how to drink from a sippy cup, a glass, and a water bottle but refuses to give up the baby bottle. I know I'm to blame for this, but I need to know what I should do to eradicate the bottle completely before she turns 2. I've...

Help! I have a 21month old baby girl. We have just this week noticed a small brownish yellow stain on her tooth. She has been on a lot of steroids, and I don't know if it is from her medicines or if it is decay from milk or juice. Her enamel on her teeth does not look thick, it actually looks...