What is the concentration of k + ions in a 0.045 m k2co3 solution assuming complete dissociation? express the concentration in molarity?

In the equation 4 Si2H3 + 11 O2 → 8 SiO2 + 6 H2O, what would be the product (s) ? a H2O b SiO2 c both d neither

Lewis structure XeH4? The hydrogen atom is not actually electronegative enough to form bonds to xenon. Were the xenon-hydrogen bond to exist, what would be the structure of XeH4?

CuSO4 (aq) and Zn (NO3) 2 ionic equation

What is the electron configuration of the neutral lithium atom?

What is a mixture called when it has its different components mixed evenly within the substance? Heterogeneous mixture Homogeneous mixture Impure mixture Pure mixture

Describe 2 theories for yawning

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. the reason for this is?

Where does transcription happen? why is it only in this location?

True or false during decomposition nitrogen gas is changed into nitrogen compounds

Which of the following is a suggested practice to invite families to participate in decision-making and goal-setting for their child? A. Advocacy events B. Take-home backpacks C. Family/teacher conference D. Weekly newsletters