Which category of galaxy dose not have a distinactive shape

A a barred - spiral galaxy

Ba spiral galaxy

C an elliptical galaxy

D an irregular galaxy

An oxidation-reduction reaction involves the (1) sharing of electrons (2) sharing of protons (3) transfer of electrons (4) transfer of protons

A sample of bismuth has a mass of 343g and volume of 35.0 cm3. what is the density of bismuth

Express the quantity 24.2*10-5 m in mm. express your answer using three significant figures.

A laboratory procedure requires 4.67 g of a liquid whose density is 1.034 g/mL. What volume of liquid should be used for this procedure?

Write a balanced chemical equation for dissolving calcium chloride in water.

What two quantities are conserved in every chemical reaction? a. moles and mass c. volume and mass b. mass and atoms d. moles and atoms?

What two chemical mechanisms change pyruvate to acetyl-CoA in the pyruvate dehydrogenase complex? Group of answer choices a) Decarboxylation and condensation. b) Oxidation and decarboxylation. c) Condensation and dehydrogenation.

Which earth cycle does the suns energy drive

How many moles are in 10 grams of CaCl2?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of