| XÀ Văn bản - Tài liệu
PHÁT HIỆN NGÔN NGỮ
ANH
VIỆT
what your name
what your name
tén ban lå giwhat's my name ​

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g