Answer:
![\large \boxed{\text{1.11 kg}}](https://tex.z-dn.net/?f=%5Clarge%20%5Cboxed%7B%5Ctext%7B1.11%20kg%7D%7D)
Explanation:
The buoyant force in kilograms is given by
![F = V(\rho_{\text{air}} - \rho_{\text{He}})](https://tex.z-dn.net/?f=F%20%3D%20V%28%5Crho_%7B%5Ctext%7Bair%7D%7D%20-%20%5Crho_%7B%5Ctext%7BHe%7D%7D%29)
![\begin{array}{rcl}F& = & \text{1 m}^{3} \times(\text{1.29 kg/m}^{3} - \text{0.18 kg/m}^{3})\\ & = & \textbf{1.11 kg}\\\end{array}\\\text{A cubic metre of helium can float a mass of $\large \boxed{\textbf{1.11 kg}}$}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcl%7DF%26%20%3D%20%26%20%5Ctext%7B1%20m%7D%5E%7B3%7D%20%5Ctimes%28%5Ctext%7B1.29%20kg%2Fm%7D%5E%7B3%7D%20-%20%5Ctext%7B0.18%20kg%2Fm%7D%5E%7B3%7D%29%5C%5C%20%26%20%3D%20%26%20%5Ctextbf%7B1.11%20kg%7D%5C%5C%5Cend%7Barray%7D%5C%5C%5Ctext%7BA%20cubic%20metre%20of%20helium%20can%20float%20a%20mass%20of%20%24%5Clarge%20%5Cboxed%7B%5Ctextbf%7B1.11%20kg%7D%7D%24%7D)
Answer:
5.22 x 10^-5
Explanation:
5.22 x 10^-3 x 10^-2 = 5.22 x 10^-5
Electrolytes conduct electricity because they produce + and – ions in water
C6H12O6 and CH3CH2OH organic no ions
C6H12O6 and HCl sugar and hydrochloric acid
NaOH and HCl yields Na+1 ion and Cl-1 ion to conduct electricity
NaOH and CH3CH2OH
Hope this helps. :)
3, 3, 2, and 4 in that order.
Answer:
Be careful about when to use capital letters. For example, CO means a molecule of carbon monoxide but Co is the symbol for cobalt
Explanation: