How does a scientist critique another scientist's conclusion?

A. By making fun of the other scientist

B. By reading secondary source

C. By making up alternate conclusion

D. By presenting date that contradicts those conclusions

Iron nails are often coated with paint or zinc to reduce rusting. Iron usually rust when getting in contact with which of the following? CO2 H2 N2 O2

A sample of 1.6 g of methane (CH4) is completely burnt in 20.00 g of oxygen. The products are carbon dioxide and water. Which is the excess reactant? Which is the limiting reactant? How much of the excess reactant remains unreacted?

What is the empirical formula for a compound that contains 0.0134 g of iron, 0.00769 g of sulfur and 0.0115 g of oxygen?

Mars is 1.52 au from the sun. about how many kilometers is mars from the sun

The half-life of iodine-131 is 8.10 days. how long will it take for three-fourths of a sample of iodine-131 to decay?

What term represents a chemical reaction

Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li (s) + N2 (g) → 2Li3N (s) How many moles of lithium are needed to produce 0.60 mol of Li3N when the reaction is carried out in the presence of excess nitrogen?

7. Convert 5.2 cm of magnesium (Mg) ribbon to mm of Mg ribbon.

If you place a crystal substance on a tabletop, return to view it after some time passes, and find it as a powdered substance, which of the following processes most likely took effect? A. Efflorescence B. Distillation

What changes occur in the nuclei of atoms involved in the reactions that fuel nuclear power plants?