What is the Islamic ruling on reciting Qunut supplication in prayers and praying for the people of Gaza?

What is the ruling of Sharia on reciting Hizb al-Imam al-Nawawi (May Allah Have Mercy on Him) : {In the name of Allah, Allah is the Greatest, Allah is the Greatest, Allah is the Greatest. I say it upon myself, upon my religion, upon my family, upon my children, upon my wealth, upon my companions, upon their religions, upon their possessions. A thousand times: In the name of Allah, Allah is the Greatest, Allah is the Greatest, Allah is the Greatest}; particularly the phrase {upon their religions}? Moreover, is attributing this Hizb to al-Imam A-al-Nawawi valid?

What is the ruling of Sharia on using external speakers and loud amplifiers to recite the Quran and Adkhar (Remembrances of Allah) in markets and public places?

Can Dua change destiny in relation to matters like marriage, work, and the like?

What is the ruling of Sharia on "Allah is Sufficient for me, and He is the Best Disposer of affairs"? Is it a kind of supplication (Du`aa) or carries a negative meaning?

Is it permissible to count the Tasbih (the glorification of Allah) on both hands or the right hand only? In addition, is it disliked to count the Tasbih on the left hand alone?

: What is the ruling of Sharia on offering Dua` Qunoot at this time of pandemic? Is it restricted to obligatory congregational prayers or it is permissible to perform it in optional prayers and when praying alone?

What is the Islamic ruling on congregational Dhikr and Du`aa? Should they be limited to what is stated in the Prophetic Sunnah in this regard? Does Dhikr help ward off affliction?

What is the ruling of Sharia (Islamic Law) on a Muslim saying to his Muslim brother "Jumu`ah Mubaarakah" or congratulating him with this phrase?

What is the Islamic ruling on sending blessings upon the Prophet (PBUH) with someone visiting his grave or going for Haj or Umrah?

What is the ruling on Istikhara using beads? The idea is to stop at a certain bead, while making remembrance, or when the beads end at a certain remembrance, then decide to do or not to do something based on whether the number you stopped at is even or odd.

Is it permissible to send blessings upon the Prophet (PBUH) via this formula: "O Allah, send blessings upon Prophet Mohammad (PBUH), the repeller of calamity, epidemic, drought, sickness, and pain", or is it considered polytheism?

What is the ruling on offering the remembrance of Allah in the mosques in congregation aloud right after the performance of obligatory prayers?

Is it permissible to ask Allah for recovery through making any of the following supplications: "O Allah!, I invoke you by my infants to grant me recovery" or "O Allah!, I invoke you by my praying parents to grant me recovery".

Is the person offering the charity permitted to ask charity recipient to supplicate Allah on his behalf?