A metal worker uses a cutting torch that operates by reacting acetylene gas, C2H2(g), with oxygen gas, O2(g), as Base your answer to this question on the information below and your knowledge of cheemstr Show all work where appropriate. shown in the balanced equation below: 2C,H2 (g) + 302 (g) → 2CO2 (g) + 2H2O (g) + heat 5. Determine the mass of 7 moles of acetylene (gram-formula mass = 26 g/mol). %3D 6. Write the empirical formula for acetylene.

Can you please assist us with number one. Please see the picture.This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

Question 1 of 30 Convert 0.386 to milligrams . Use only the metric system. 386 mg ADD FACTOR DELETE ANSWER RESET

Is the calculation step the last step in solving a chemistry problem? Why or why not?

Discuss the language demands included in the lesson on mixing substances in a 5th-grade classroom by Identifying key vocabulary terms students must know in order to master the learning objectives for the lesson based on the below standard and learning objective. Standard Conduct an investigation to determine whether the mixing of two or more substances results in new substances. Learning Objective Given a variety of substances and safety equipment in a classroom setting, students will be able to conduct an experiment to mix two or more substances and observe the results. They will be able to correctly identify whether a new substance has been formed as a result of the mixing, based on observable changes such as color change, formation of a precipitate, or change in temperature, with at least 80% accuracy.

Please someone can help me with chemistry homework Thank you

Can you show us how to do number 8. ? Please see the attached pic.This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

Please help me complete question 4,5,and6.

1 please assist with number one in the picture.  I want to be we are correct. This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

Question 4 and 5