kieran1705 kieran1705

03-12-2021
Chemistry

contestada

Why do we use helium in balloons instead of hydrogen.

Respuesta :

rthomas111 rthomas111

03-12-2021

Answer:

Helium is a noble gas, so it's nonreactive. In contrast, hydrogen is very reactive. It would be dangerous to have explosive balloons.

Answer Link

Otras preguntas

Please solve number 9.

Fill in the blank with the correct Imperfect Tense conjugation of the verb between parentheses. Lucia (tener) miedo de las aranas. Answer choices: Tenias Tiene

stretch of med deep breaths, Search 5 words related to coping with stress then write a brief description for each word. W R A 0 Z Х А N Р E J F V V N U U 1 C X

how many shuffles to randomize a new deck of cards

4. Harish is 10 years old. Praveen is 3 years younger to Harish. How old is Praveen? Ans:

Write a persuasive speech in response to prompt 8 on p. 645 of your textbook. In your speech, you will present ideas to help build stable online communities.

How do you know you need to become a better test taker?

a. Nick deposits money in a Certificate of Deposit account (CD). The balance (in dollars) in his account t years after making the deposit is given by N(t)=400(1

If m = 5 and n = -1, what is n + m?

(1st one) In a car race, for every mile covered by car A, car B covered 4 miles. The ratio of the number of miles covered by car A to the number of miles covere