How many moles are in 25kg of Fe2O3?

Which of these is a correct equation for mass? A. m = F * a B. m = F + a C. m = F : a D. m = a : F

The normal shape of an enzyme is as shown in structure A. If the enzyme's shape changes to that shown in structure B, what are two consequences of this change

How many grams of O2 are in a 5.0 mol of the element? A. 16 g B. 80 g C. 160 g

When glucose (C6H12O6) reacts with oxygen, carbon dioxide and water are produced. The balanced equation for this reaction is: If 12 moles of oxygen react, The reaction consumes moles of glucose (C6H12O6).

How would you convert 2930 kcal to kJ?

14. What steps should you take to keep parents and the public from viewing your personal information on social networks?

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons