If 171 mg of tetraphosphorous decaoxide reacts with 154 mg of water, how many grams of phosphoric acid can be produced? 

The figure shows two point charges, 11.0 nC and -4.0 nC. What is the electric potential at the point 10 cm away from each charge, marked with a dot?

What is the reason for a network engineer to alter the default reference bandwidth parameter when configuring OSPF?  

How many valence electrons does silicon (Si) have? 

Dr. I. Que is studying the influence of developmentally appropriate practices on children’s cognitive development. He goes to the preschool classroom every day and makes field notes on what is going on and talks to the children and teachers about how they like developmentally appropriate activities.

Which of the following is NOT an example of triangulation?

What is the standard enthalpy of formation for the following generic reaction given the information below? 

Refer to the show command output. S1 is connected to another switch, S2, via a trunk link. A host that is connected to S1 is not able to communicate to a host that is connected to S2, even though they are both in VLAN 20. Which command should be added to Fa0/1 on S1 to correct the problem?       S1#sh interfaces trunk   Port   Mode   Encapsulation Status    Native vlan Fa0/1  on     802.1q        trunking  40   Port   Vlans allowed on trunk Fa0/1  1,20,40,60,80   Port   Vlans allowed and active in management domain Fa0/1  1,20,40,60,80   Port   Vlans in spanning tree forwarding state and not pruned Fa0/1   1,20,40,60,80   S1#%CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on FastEthernet0/1 (40), with S2 FastEthernet0/1 (80).  

Using the conversion factors in the table below determine how many uky are in 42.5 sew.  12.0 uky = 1.00 flw 4.1 ant = 3.00 sew 3.25 ant = 2.60 flw

What element does the following ground state electron configuration represent? [Ar]4s23d104p2